SAN MARTIN mechanical retro military diving watch 200 meters waterproof SN031-G

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SAN MARTIN WATCH Model: SN031-G Movement: YN55 [Automatic mechanical movement] Case: Material: 316L stainless steel Diameter: 38mm (without crown) Lug to lug length: 47.5mm Case thickness: 14mm (including crystal) Lug to lug width: 20mm Crystal: Sapphire crystal Dial: black, retro yellow, retro grey Hands: Luminous hands Luminous: retro luminous (luminous color: C3 green) Crown: Screw down crown, diameter 7.5mm Caseback: Screw down caseback Watch strap: nylon strap 20-20mm straight strap Buckle: stainless steel pin buckle Waterproof: 200 meters waterproof Warranty: Two-year warranty

Metropolis Verdict

Who this watch is really for

strong data

Best for

• Collectors comparing independent dive or sport watches with about 200m of water resistance.
• Smaller wrists or buyers who prefer compact proportions over oversized wrist presence.
• Daily wear, travel, and tool-watch buyers who value legibility and straightforward utility.

Skip if

• You want quartz convenience with minimal setting, winding, or service concerns.

Value note: On paper, the spec mix is sensible: mechanical movement, sapphire crystal, and usable water resistance. The value case is strongest if the design language is what you want.

Comparable watches

San Martin Titanium Pilot Watch Luminous Military Watch YN55 movement SN030-T2A comparable same-brand dive/sport option from San Martin.San Martin 39mm Pilot Watch Military Style NH35 Automatic Mechanical Watch With Steel Bracelet SN030-G-V2A comparable same-brand dive/sport option from San Martin.SAN MARTIN mechanical military diving watch 200 meters waterproof SN029-GA comparable same-brand dive/sport option from San Martin.

Data status: Indexable catalog page with images, description, and core specs. Image count: 3. Populated spec fields: 9.