The Titanium Field Guide

San Martin SN0111-T GR5 Diver

The San Martin SN0111-T GR5 Diver is a current-production diver watch with a Grade 5 (caseback Grade 2) titanium case. It measures 40.0 mm across, 13.1 mm thick, 47.5 mm lug to lug, 103 g, and is water resistant to 300 m. Inside is the PT5000 / Sellita SW200 automatic movement, with ~38 h power reserve. Complications: Date. Priced from $369 (approx). Brand origin: China.

Titanium diver watchesUnder $1,000Grade 5 titanium
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TypeDiver
Price$369 · approx
Case diameter40.0 mm
Thickness13.1 mm
Lug-to-lug47.5 mm
Water resistance300 m
Weight103 g
OriginChina
MovementAutomatic
CaliberPT5000 / Sellita SW200
Power reserve~38 h
ComplicationsDate
TitaniumGrade 5 (caseback Grade 2)
Surface treatmentNone; ceramic bezel; helium valve
Nickel-freeYes
Bracelet / strapGrade 5 titanium
CrystalSapphire, AR coated
Display backNo
DialEnamel black
LumeSuper-LumiNova BGW9
AvailabilityOffered
StatusCurrent
High confidence Verified 2026-06-18 Source: San Martin Maker / listing ↗
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