Doxa SUB 300 SUB 300T Aquamarine
Reference 840.10.241.25
About this watch
The Doxa SUB 300T Aquamarine is a statement piece that combines functionality, style, and rich history. This Swiss watchmaker's exceptional diving watches since the 1880s have earned a solid reputation among collectors. The SUB family of watches is celebrated for its robust features designed specifically for underwater exploration. At the core of the SUB 300T is the reliable ETA caliber 2824-2 automatic movement, featuring a frequency of 28,800 vibrations per hour and a power reserve of 42 hours. The watch's captivating aquamarine color reflects the depths of the ocean, while its matte finish gives it a modern edge. The dial features stick and dot indexes for readability in various conditions, complemented by stick hands. A date function is strategically placed without cluttering the dial. The rotating bezel ranges from 0 to 60, adding to the watch's rugged aesthetic. Crafted from sapphire glass, this timepiece strikes a balance between presence and wearability.
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Key Features
- Swiss-made Doxa watch
- Exceptional water resistance (1200m)
- Reliable ETA 2824-2 automatic movement
- Striking aquamarine color
- Durable sapphire glass
- Robust design for underwater exploration
Specifications
- Brand
- Doxa
- Family
- SUB 300
- Model
- SUB 300T Aquamarine
- Reference
- 840.10.241.25
- Movement
- 2824-2
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Case
- Stainless Steel 42.5mm
- Dial Color
- Blue
- Crystal
- Sapphire
- Water Resistance
- 1200
Current Listings
![[WTS] DOXA SUB 300T ONLY $1299!](https://preview.redd.it/52ir2tens8ye1.jpeg?auto=webp&s=7e24bc92c0ee1fa078ae643586a404908a56a955)
DOXA SUB 300T ONLY $1299!
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
Doxa Sub 300T Sea Rambler-Under Warranty until JAN 2026
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
![[WTS] Doxa SUB 300 Aquamarine COSC 821.10.241.10 11/2021 Very Good Condition, Full Kit $1,450 Shipped CONUS](https://www.watchuseek.com/cdn-cgi/image/format=auto,onerror=redirect,width=960,height=960,fit=scale-down/https://www.watchuseek.com/attachments/2025-04-29_17-07-15_874-jpeg.19043854/)
![[WTS] DOXA Sub 300 Professional Aqualung Blacklung - $5200](https://preview.redd.it/kb1yluhhazxe1.jpg?width=640&crop=smart&auto=webp&s=6456cc84013e0c2bc059f0011771e089773d2a5e)
DOXA Sub 300 Professional Aqualung Blacklung - $5200
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
2025 DOXA SUB 300 Searambler, OEM Bracelet
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
2025 DOXA SUB 300 Searambler, OEM Bracelet
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
![[WTS] DOXA SUB 300T](https://preview.redd.it/gpfocfel0uwe1.jpeg?auto=webp&s=489365d9b14ab1384bb01ce92075272241abea98)
![[WTS] 2025 DOXA SUB 300 Searambler, OEM Bracelet](https://preview.redd.it/nnrenoxc0twe1.jpeg?auto=webp&s=b7da7a43d0661cd4157935d73b1403ba644e5495)
2025 DOXA SUB 300 Searambler, OEM Bracelet
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
2025 DOXA SUB 300 Searambler, OEM Bracelet
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