The Titanium Field Guide

Unimatic Modello Uno U1S-T-SE (x Sease)

The Unimatic Modello Uno U1S-T-SE (x Sease) is a current-production diver watch with a Grade 5 titanium case, finished with sandblasted. It measures 41.5 mm across, 62 g, and is water resistant to 300 m. Inside is the Sellita SW200-1 automatic movement, with 38 h power reserve. Complications: Time only. Brand origin: Italy.

Titanium diver watchesMicrobrandLightweightGrade 5 titanium
Reference–
TypeDiver
Price– · LE 60 (2024), sold out
Case diameter41.5 mm
Thickness–
Lug-to-lug–
Water resistance300 m
Weight62 g
OriginItaly
MovementAutomatic
CaliberSellita SW200-1
Power reserve38 h
ComplicationsTime only
TitaniumGrade 5
Surface treatmentSandblasted
Nickel-freeYes
Bracelet / strapTPU strap
CrystalDouble-domed sapphire, AR coated
Display backNo
DialFoliage green
LumeSuper-LumiNova C1
AvailabilityOffered
Statusx Sease Sailing; limited edition of 60 (2024), sold out
High confidence Verified 2026-06-22 Source: Unimatic Maker / listing ↗
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