Make an Appointment
(800) 237-6437
Sub 300 Beta Aquamarine

DOXA

Sub 300 Beta Aquamarine

$2,490.00

X
Availability in store
  • Somers Point
    Not available
  • Newtown
    Not available


The SUB 300β sports watch combines functionality with style. With a scratch-resistant sapphire crystal, Swiss automatic movement, and a power reserve of around 38 hours, the SUB 300β is engineered for safety and exploration. True to DOXA's unconventional ethos, it blends the spirit of the times with an elegant, modern sport-chic look suitable for urban settings.

Reference number: 830.10.241.10
Metal: Stainless Steel
Stock number: 311821
Size: 42mm
Dial: Black
Straptype: Stainless Steel
Movement: Swiss mechanical automatic, self-winding
Due to the recent unpredictability in gold prices, we cannot guarantee the prices of items currently out of stock.

100% Satisfaction Guarantee

Our customers come first! We guarantee to not only meet, but to exceed your expectations with the brilliant quality of our luxury jewelry. At Bernie Robbins, we guarantee to provide you with the best jewelery and the best buying experience. In most cases, you can return your purchase for a full refund.

Refund Policy

To ensure your complete satisfaction, you may return your purchase within 15 days to receive a full refund or 30 days to exchange your purchase for another item of equal or higher value. This excludes special orders and custom purchases.

Lifetime Diamond Upgrade

We are pleased to offer a lifetime diamond upgrade program, ensuring that at any time you can decide to make your ring even more beautiful with a diamond of greater value. This allows you to purchase a diamond at your budget now and whenever you are ready, you can simply upgrade to a bigger or higher quality diamond. The value will be determined by the purchase price as shown on its original receipt. Mounting will be accepted as part of the trade-in due to wear and will be valued at the price of gold at the time of trade-in.

You may also like

Stainless Steel Mens Conquest Heritage
Longines

Stainless Steel Mens Conquest Heritage

$3,400

Classics Index Automatic
Frederique Constant

Classics Index Automatic

$1,495

Endurance Pro
Breitling

Endurance Pro

$3,400

Aerospace B70 Orbiter
Breitling

Aerospace B70 Orbiter

$5,300.00

Chronomat B01 42
Breitling

Chronomat B01 42

$9,650.00

Superocean Heritage B20 Automatic 44
Breitling

Superocean Heritage B20 Automatic 44

$6,150

Stainless Steel Dolcevita
Longines

Stainless Steel Dolcevita

$1,650.00

Stainless Steel Hydroconquest
Longines

Stainless Steel Hydroconquest

$2,000

Sub 200 Divingstar
DOXA

Sub 200 Divingstar

$1,250.00

Navitimer B01 Chronograph 43
Breitling

Navitimer B01 Chronograph 43

$10,700

Chronomat B01 42
Breitling

Chronomat B01 42

$14,900

Navitimer Automatic 41
Breitling

Navitimer Automatic 41

$6,150.00

Stainless Steel Conquest
Longines

Stainless Steel Conquest

$2,400

Superocean Heritage B20 Automatic 42
Breitling

Superocean Heritage B20 Automatic 42

$7,250

Gold Tone Carrée
Frederique Constant

Gold Tone Carrée

$3,295

Navitimer B01 Chronograph 43
Breitling

Navitimer B01 Chronograph 43

$47,900

Stainless Steel Carrée
Frederique Constant

Stainless Steel Carrée

$1,095

Top Time B31
Breitling

Top Time B31

$5,850

Chronomat B01 42
Breitling

Chronomat B01 42

$12,200

Sub 300T Clive Cussler
DOXA

Sub 300T Clive Cussler

$3,090

Navitimer Automatic 36
Breitling

Navitimer Automatic 36

$15,000.00

Yellow Gold Manchette
Frederique Constant

Yellow Gold Manchette

$2,795

Stainless Steel Legend Diver
Longines

Stainless Steel Legend Diver

$2,850

Superocean Automatic 46 Super Diver
Breitling

Superocean Automatic 46 Super Diver

$6,900.00

Superocean Automatic 36
Breitling

Superocean Automatic 36

$5,850.00

Sub 300 Whitepearl
DOXA

Sub 300 Whitepearl

$2,850.00

Superocean Heritage B31 Automatic 44
Breitling

Superocean Heritage B31 Automatic 44

$6,500.00

Super Chronomat B01 44
Breitling

Super Chronomat B01 44

$11,050

Avenger B01 Chronograph 44
Breitling

Avenger B01 Chronograph 44

$7,150.00

Stainless Steel Master Collection Moonphase
Longines

Stainless Steel Master Collection Moonphase

$3,100.00

Avenger B01 Chronograph 44
Breitling

Avenger B01 Chronograph 44

$7,450.00

Stainless Steel Flagship Heritage Moonphase
Longines

Stainless Steel Flagship Heritage Moonphase

$3,450.00

Stainless Steel Carrée Small Seconds
Freida Rothman

Stainless Steel Carrée Small Seconds

$1,395

Stainless Steel Conquest Chronograph
Longines

Stainless Steel Conquest Chronograph

$4,250.00

Stainless Steel Sub 200 Professional
DOXA

Stainless Steel Sub 200 Professional

$1,250.00

Avenger Automatic 42
Breitling

Avenger Automatic 42

$5,200.00

Submariner Date
Rolex

Submariner Date

$18,500

Top Time B31
Breitling

Top Time B31

$5,850.00

Two-Tone Master Collection Moonphase
Longines

Two-Tone Master Collection Moonphase

$4,800.00

Stainless Steel Legend Diver
Longines

Stainless Steel Legend Diver

$3,500.00

Stainless Steel Hydroconquest GMT
Longines

Stainless Steel Hydroconquest GMT

$3,350.00

Two Tone Ladies La Grande Classique
Longines

Two Tone Ladies La Grande Classique

$1,650

Stainless Steel Conquest Chronograph
Longines

Stainless Steel Conquest Chronograph

$4,250

Navitimer Automatic GMT 41
Breitling

Navitimer Automatic GMT 41

$6,450

Stainless Steel Conquest
Longines

Stainless Steel Conquest

$2,400

Superocean Automatic 36
Breitling

Superocean Automatic 36

$5,600

Super Chronomat B01 44
Breitling

Super Chronomat B01 44

$30,900

Stainless Steel Conquest
Longines

Stainless Steel Conquest

$4,750.00

Navitimer Automatic 36
Breitling

Navitimer Automatic 36

$5,700.00

Sub 300T Sea Emerald
DOXA

Sub 300T Sea Emerald

$1,830.00

Stainless Steel Legend Diver
Longines

Stainless Steel Legend Diver

$3,850.00

Stainless Steel and 18K Rose Gold Spirit Zulu Time 1925
Longines

Stainless Steel and 18K Rose Gold Spirit Zulu Time 1925

$4,700.00

NAVITIMER B01 CHRONOGRAPH 46
Breitling

NAVITIMER B01 CHRONOGRAPH 46

$10,700

Yellow PVD Ladies La Grande Classique
Longines

Yellow PVD Ladies La Grande Classique

$2,000

Classics Carrée Ladies
Frederique Constant

Classics Carrée Ladies

$1,895

Super Chronomat B01 Chronograph 44 NFL Philadelphia Eagles
Breitling

Super Chronomat B01 Chronograph 44 NFL Philadelphia Eagles

$11,350.00

Superocean Heritage Chronograph 44
Breitling

Superocean Heritage Chronograph 44

$7,100

Stainless Steel Master Collection
Longines

Stainless Steel Master Collection

$2,550.00

Stainless Steel Ladies La Grande Classique
Longines

Stainless Steel Ladies La Grande Classique

$1,850

Conquest Heritage Central Power Reserve
Longines

Conquest Heritage Central Power Reserve

$4,300.00

NAVITIMER B01 CHRONOGRAPH 43
Breitling

NAVITIMER B01 CHRONOGRAPH 43

$10,300

Stainless Steel Ladies La Grande Classique
Longines

Stainless Steel Ladies La Grande Classique

$4,300

Stainless Steel Hydroconquest
Longines

Stainless Steel Hydroconquest

$2,000

Superocean Heritage B01 Chronograph 42
Breitling

Superocean Heritage B01 Chronograph 42

$9,300.00

Stainless Steel Sub 200 Searambler Rubber Strap
DOXA

Stainless Steel Sub 200 Searambler Rubber Strap

$1,250.00

Super Chronomat B01 44
Breitling

Super Chronomat B01 44

$10,650.00

Stainless Steel Sub 200T Aquamarine
DOXA

Stainless Steel Sub 200T Aquamarine

$1,790

Stainless Steel Conquest Heritage
Longines

Stainless Steel Conquest Heritage

$3,400

Two-Tone Spirit Zulu Time
Longines

Two-Tone Spirit Zulu Time

$5,200.00

Explorer II White Dial
Rolex

Explorer II White Dial

$12,000

Stainless Steel Sub 200 Sharkhunter
DOXA

Stainless Steel Sub 200 Sharkhunter

$1,290.00

Stainless Steel Sub 200T Sea Emerald
DOXA

Stainless Steel Sub 200T Sea Emerald

$1,790.00

NAVITIMER B01 CHRONOGRAPH 43
Breitling

NAVITIMER B01 CHRONOGRAPH 43

$10,300.00

Two-Tone Master Collection
Longines

Two-Tone Master Collection

$4,450

Two Tone Ladies Quartz Highlife
Frederique Constant

Two Tone Ladies Quartz Highlife

$2,295

Sub 200 C-Graph Sharkhunter
DOXA

Sub 200 C-Graph Sharkhunter

$2,790.00

Slimline Ladies
Frederique Constant

Slimline Ladies

$3,195

Navitimer Automatic 35
Breitling

Navitimer Automatic 35

$6,700

Stainless Steel Master Collection Moonphase
Longines

Stainless Steel Master Collection Moonphase

$3,000.00

PREMIER B09 CHRONOGRAPH 40
Breitling

PREMIER B09 CHRONOGRAPH 40

$9,950

Chronograph 42
Breitling

Chronograph 42

$6,350

Stainless Steel Conquest
Longines

Stainless Steel Conquest

$2,400.00

Navitimer B01 Chronograph 41
Breitling

Navitimer B01 Chronograph 41

$10,700

Chronomat B01 42
Breitling

Chronomat B01 42

$10,700

CHRONOMAT AUTOMATIC GMT 40
Breitling

CHRONOMAT AUTOMATIC GMT 40

$6,700.00

Chronomat 32
Breitling

Chronomat 32

$12,300.00

Stainless Steel Sub 250T GMT Sharkhunter Vintage
DOXA

Stainless Steel Sub 250T GMT Sharkhunter Vintage

$2,790

Stainless Steel Slimline Ladies
Frederique Constant

Stainless Steel Slimline Ladies

$1,595

Sub 300 Searambler
DOXA

Sub 300 Searambler

$2,890.00

Superocean Heritage B20 Automatic 42
Breitling

Superocean Heritage B20 Automatic 42

$7,600

Superocean Heritage B20 Automatic 42
Breitling

Superocean Heritage B20 Automatic 42

$7,250.00

Superocean Automatic 44
Breitling

Superocean Automatic 44

$5,900.00

Stainless Steel Sub 250T GMT Sea Emerald
DOXA

Stainless Steel Sub 250T GMT Sea Emerald

$2,790.00

Titanium Avigation Bigeye
Longines

Titanium Avigation Bigeye

$4,400

Stainless Steel Sub 300 Caribbean
DOXA

Stainless Steel Sub 300 Caribbean

$2,890.00

Top Time B01 Ford Thunderbird
Breitling

Top Time B01 Ford Thunderbird

$7,650.00

Superocean Automatic 46
Breitling

Superocean Automatic 46

$5,700.00

Stainless Steel Conquest Heritage
Longines

Stainless Steel Conquest Heritage

$3,300.00

LA GRANDE CLASSIQUE DE LONGINES
Longines

LA GRANDE CLASSIQUE DE LONGINES

$2,100

Chronomat B01 Chronograph 42
Breitling

Chronomat B01 Chronograph 42

$9,900

Chronomat Automatic GMT 40 NFL Philadelphia Eagles Edition
Breitling

Chronomat Automatic GMT 40 NFL Philadelphia Eagles Edition

$6,900.00

Stainless Steel Mini Dolcevita
Longines

Stainless Steel Mini Dolcevita

$2,100

Stainless Steel Ladies Primaluna Moonphase
Longines

Stainless Steel Ladies Primaluna Moonphase

$3,400

Navitimer Automatic 36
Breitling

Navitimer Automatic 36

$11,050.00

Stainless Steel Sub 200 Sharkhunter Rubber Strap
DOXA

Stainless Steel Sub 200 Sharkhunter Rubber Strap

$1,250.00

Stainless Steel Sub 200T White Pearl
DOXA

Stainless Steel Sub 200T White Pearl

$1,790.00

Stainless Steel Legend Diver
Longines

Stainless Steel Legend Diver

$3,850.00

Stainless Steel Spirit Zulu Time
Longines

Stainless Steel Spirit Zulu Time

$3,550

Sub 200 Professional
DOXA

Sub 200 Professional

$1,290

Chronomat B01 42 Stainless Steel
Breitling

Chronomat B01 42 Stainless Steel

$9,650

LA GRANDE CLASSIQUE DE LONGINES
Longines

LA GRANDE CLASSIQUE DE LONGINES

$1,700

Stainless Steel Spirit Zulu Time
Longines

Stainless Steel Spirit Zulu Time

$3,550.00

Stainless Steel Heart Beat Moonphase Date
Frederique Constant

Stainless Steel Heart Beat Moonphase Date

$2,895

Stainless Steel Sub 300T Aristera
DOXA

Stainless Steel Sub 300T Aristera

$2,790.00

NAVITIMER B01 CHRONOGRAPH 41
Breitling

NAVITIMER B01 CHRONOGRAPH 41

$10,300

Avenger B01 Chronograph 44
Breitling

Avenger B01 Chronograph 44

$7,450.00

Superocean Heritage B31 Automatic 44
Breitling

Superocean Heritage B31 Automatic 44

$6,800.00

Stainless Steel Conquest
Longines

Stainless Steel Conquest

$2,400

Chronomat B01 42 Triumph
Breitling

Chronomat B01 42 Triumph

$11,900

Chronomat B01 42
Breitling

Chronomat B01 42

$9,650

Superocean Heritage B31 Automatic 44
Breitling

Superocean Heritage B31 Automatic 44

$8,550

Sub 200 Sharkhunter
DOXA

Sub 200 Sharkhunter

$1,290.00

Stainless Steel Primaluna Moonphase
Longines

Stainless Steel Primaluna Moonphase

$6,700.00

Two-Tone Stainless Steel Hydroconquest
Longines

Two-Tone Stainless Steel Hydroconquest

$2,350.00

Stainless Steel Premiere
Frederique Constant

Stainless Steel Premiere

$2,895

Sub 300 Aquamarine
DOXA

Sub 300 Aquamarine

$2,850.00

Superocean Automatic 42
Breitling

Superocean Automatic 42

$5,700

Stainless Steel Primaluna Moonphase
Longines

Stainless Steel Primaluna Moonphase

$3,000.00

Avenger Automatic 42
Breitling

Avenger Automatic 42

$4,900.00

Stainless Steel Hydroconquest GMT
Longines

Stainless Steel Hydroconquest GMT

$3,350

Sub 200 Searambler
DOXA

Sub 200 Searambler

$1,290.00

Stainless Steel Sub 200 Sea Emerald NATO Strap
DOXA

Stainless Steel Sub 200 Sea Emerald NATO Strap

$1,120.00

Stainless Steel Mens Conquest Heritage
Longines

Stainless Steel Mens Conquest Heritage

$3,400

Classics Index Automatic
Frederique Constant

Classics Index Automatic

$1,495

Endurance Pro
Breitling

Endurance Pro

$3,400

Aerospace B70 Orbiter
Breitling

Aerospace B70 Orbiter

$5,300.00

Chronomat B01 42
Breitling

Chronomat B01 42

$9,650.00

Superocean Heritage B20 Automatic 44
Breitling

Superocean Heritage B20 Automatic 44

$6,150

Stainless Steel Dolcevita
Longines

Stainless Steel Dolcevita

$1,650.00

Stainless Steel Hydroconquest
Longines

Stainless Steel Hydroconquest

$2,000