Watch Straps for the Doxa Sub 300
The Doxa Sub 300 is one of the most distinctive dive watches ever made — its burnt orange 'Professional' dial has been iconic since 1967 when it was worn by Jacques Cousteau's divers. The Sub 300 uses a 20mm lug width. Its bold, colorful design suits high-contrast rubber, tropic, and NATO straps. Official Doxa straps cost $80–$200. AliExpress has rubber, tropic, and NATO alternatives starting at $5.
Popular strap styles for the Doxa Sub 300
Buying tips
- 01The Sub 300 uses 20mm spring bars — widest AliExpress selection of any size.
- 02The orange dial Doxa ('Professional') is bold enough to carry a colorful strap — black rubber, orange tropic, or navy NATO.
- 03Tropic-style perforated rubber is the most historically authentic strap for a 1960s-heritage dive watch.
- 04The Sub 300's bezel has a decompression table on the inner ring — a technical character that suits functional, purposeful straps.
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What lug width is the Doxa Sub 300?
The Doxa Sub 300 uses a 20mm lug width. This applies to the Sub 300 (42.5mm), Sub 300T (titanium, 42.5mm), Sub 200 (42mm, uses 20mm), and Sub 300 Carbon. The Sub 600T (technical titanium) uses 20mm as well. 20mm is the most common dive-watch lug width with the widest AliExpress selection. The Sub 300's case has somewhat downturned lugs — flat-end straps work well on the standard steel case.
What strap suits the Doxa Sub 300 best?
The Doxa Sub 300's bold orange 'Professional' dial is one of the most visually distinctive watch faces in production — the strap should complement rather than compete with it. Black tropic rubber is the most period-correct and community-approved pairing: it contrasts strongly with the orange without the visual noise of a colorful strap. Search 'tropic rubber strap 20mm' on AliExpress for $6–$12 options. A solid black FKM rubber is a clean, modern alternative. For a bold look that leans into the Sub's dramatic character, an orange or orange-accented NATO that directly references the dial is a fun choice. The navy 'Sharkhunter' Sub and grey 'Searambler' variants suit navy and grey NATOs respectively.
Is the Doxa Sub 300 worth strap swapping?
Absolutely — the Doxa Sub 300 community is one of the most engaged in the dive watch world, with active forums and a strong collector culture. Doxa enthusiasts frequently discuss strap pairings because the Sub's bold dial makes strap choice particularly impactful. The classic 1960s-inspired look is best served by tropic rubber or leather; modern wearers often go with black rubber or navy NATO. At 20mm with standard spring bars, the Sub 300 is one of the easiest watches to strap-swap. AliExpress options at $4–$14 are well-suited to building a multi-strap rotation on a watch that already offers exceptional value.