Doxa SUB 300 SUB 300T Professional

Reference 840.10.351.21

Doxa SUB 300T Professional

About this watch

The Doxa SUB 300T Professional stands out as a beacon of luxury and functionality. With its rich history, striking orange dial, and exceptional water resistance of 1200 meters, this watch is perfect for divers and adventurers alike. The tonneau-shaped case, crafted from durable stainless steel, features a matte finish that adds an element of sophistication while minimizing glare. At the heart of the SUB 300T lies the reliable automatic ETA caliber 2824-2 movement, ensuring accurate timekeeping whether on land or underwater. The watch's sapphire crystal glass and closed case back provide additional protection against scratches and water damage. With its comfortable fit, stylish design, and versatility, the Doxa SUB 300T Professional is a worthy investment for anyone seeking a high-quality diving watch.
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Key Features

  • Automatic ETA caliber 2824-2 movement
  • Exceptional water resistance of 1200 meters (3900 feet)
  • Durable stainless steel construction with matte finish
  • Sapphire crystal glass for scratch-resistance and durability
  • Striking orange dial for high visibility in low-light conditions
  • Rotating dive bezel with 0-60 scale for tracking immersion time

Specifications

Brand
Doxa
Family
SUB 300
Model
SUB 300T Professional
Reference
840.10.351.21
Movement
2824-2
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 42.5mm
Dial Color
Orange
Crystal
Sapphire
Water Resistance
1200

Current Listings

[WTS] DOXA SUB 300T ONLY $1299!

DOXA SUB 300T ONLY $1299!

Doxa - SUB 300T · $1,299
A Doxa SUB 300T from 2024 in excellent condition with a couple of minor imperfections. The watch features a 42.5mm case and a DOXA bracelet.

  • Condition: Excellent, with minor hairlines and possibly relumed lume.
  • Case size: 42.5mm
  • Lug to lug length: 44.5mm
  • Bracelet type: DOXA bracelet
Posted at
May 1, 2025, 5:57 PM
Active
View listing on r/WatchExchange
Doxa Sub 300T Sea Rambler-Under Warranty until JAN 2026

Doxa Sub 300T Sea Rambler-Under Warranty until JAN 2026

Doxa - Sub 300T Sea Rambler · $1,415.001
This Doxa Sub 300T Sea Rambler is a high-quality watch that has been worn sparingly and is still in near-mint condition. It features a 42mm diameter, water resistance to 1200m, and a screw-down crown with helium escape valve and sapphire crystal.

  • Condition: Almost mint
  • Diameter: 42 mm
  • Depth rating: 1200m
  • Water resistance type: screw down crown
Posted at
May 1, 2025, 5:09 PM
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[WTS] Doxa SUB 300 Aquamarine COSC 821.10.241.10 11/2021 Very Good Condition, Full Kit $1,450 Shipped CONUS

Doxa SUB 300 Aquamarine COSC 821.10.241.10 11/2021 Very Good Condition, Full Kit $1,450 Shipped CONUS

· $1,450.001
Posted at
Apr 30, 2025, 2:15 PM
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[WTS] DOXA Sub 300 Professional Aqualung Blacklung - $5200

DOXA Sub 300 Professional Aqualung Blacklung - $5200

DOXA - Sub 300 Professional Aqualung Blacklung · $5,200
A DOXA Sub 300 Professional Aqualung Blacklung in great condition with minor wear. The watch comes with its original accessories and is a rare find.

  • Condition: Great condition, minor wear
  • Depth rating: 200m
  • Comes with: tube, extra links, warranty card, official doxa rubber strap
Posted at
Apr 30, 2025, 9:59 AM
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2025 DOXA SUB 300 Searambler, OEM Bracelet

2025 DOXA SUB 300 Searambler, OEM Bracelet

DOXA - SUB 300 Searambler · $1,675.002
A silver dial DOXA SUB 300 Searambler in excellent condition, coming with various accessories and a COSC movement running strong.

  • Condition: Excellent condition with light surface wear
  • Movement Accuracy: +5s/day
  • Purchase Year: 2025
  • Warranty Expiration: March 2027
Posted at
Apr 29, 2025, 9:27 AM
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2025 DOXA SUB 300 Searambler, OEM Bracelet

2025 DOXA SUB 300 Searambler, OEM Bracelet

DOXA - SUB 300 Searambler · $1,675.002
The DOXA SUB 300 Searambler is a high-quality dive watch featuring a silver dial and COSC movement. It comes with various accessories, including inner/outer box, manual, hang tag, warranty card, and sales receipt.

  • Condition: Excellent with light surface wear
  • Movement Rating: +5s/day
  • Purchase Year: 2025
  • Warranty Expiration: March 2027
Posted at
Apr 25, 2025, 1:20 PM
Active
View listing on WatchUseek
[WTS] DOXA SUB 300T

DOXA SUB 300T

Posted at
Apr 24, 2025, 3:10 PM
Active
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[WTS] 2025 DOXA SUB 300 Searambler, OEM Bracelet

2025 DOXA SUB 300 Searambler, OEM Bracelet

DOXA - SUB 300 Searambler · $1,675
A silver dial DOXA SUB 300 Searambler in excellent condition, purchased in March 2025 and comes with various accessories.

  • Condition: Excellent with light surface wear
  • Box: Yes, inner/outer box is included
  • Bracelet Links: All links are present
  • Warranty: Warranty runs through March 2027
Posted at
Apr 24, 2025, 11:48 AM
Active
View listing on r/WatchExchange
2025 DOXA SUB 300 Searambler, OEM Bracelet

2025 DOXA SUB 300 Searambler, OEM Bracelet

DOXA - SUB 300 Searambler · $1,675.002
This 2025 DOXA SUB 300 Searambler features a silver dial and comes with various documentation, including an inner/outer box, manual, hang tag, stamped warranty card, original sales receipt, and all bracelet links. The COSC movement is running strong at +5s/day.

  • Condition: Excellent condition with light surface wear
  • Movement Type: COSC
  • Warranty Expiration Date: March 2027
  • Year Of Purchase: 2025
Posted at
Apr 23, 2025, 2:37 PM
Active
View listing on WatchUseek