The Titanium Field Guide

Synchron Ti300M Poseidon

The Synchron Ti300M Poseidon is a current-production diver watch with a Grade 5 titanium case, finished with brushed. It measures 41.0 mm across, 11.9 mm thick, 45 mm lug to lug, 50 g, and is water resistant to 300 m. Inside is the La Joux-Perret G100 (Soigne) automatic movement, with 68 h power reserve. Complications: Date. Priced from $1,290 (limited to 500). Brand origin: Switzerland.

Titanium diver watchesUnder $3,000LightweightGrade 5 titanium
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TypeDiver
Price$1,290 · limited to 500
Case diameter41.0 mm
Thickness11.9 mm
Lug-to-lug45 mm
Water resistance300 m
Weight50 g
OriginSwitzerland
MovementAutomatic
CaliberLa Joux-Perret G100 (Soigne)
Power reserve68 h
ComplicationsDate
TitaniumGrade 5
Surface treatmentBrushed
Nickel-freeYes
Bracelet / strapTropic rubber strap
CrystalSapphire
Display backNo
DialSunshine yellow
LumeSuper-LumiNova X1
AvailabilityOffered
StatusCurrent (limited to 500)
High confidence Verified 2026-06-21 Source: Two Broke Watch Snobs Maker / listing ↗
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