The Titanium Field Guide

Mühle-Glashütte S.A.R. Mission-Timer TITAN

M1-51-03-KB

The Mühle-Glashütte S.A.R. Mission-Timer TITAN is a current-production diver watch with a Titanium (grade undisclosed) case. It measures 43.0 mm across, 13 mm thick, and is water resistant to 500 m. Inside is the Sellita SW400-1 (Mühle version) automatic movement, with ~41 h power reserve. Complications: Date. Priced from $3,100 (approx (EUR 2,900 list)). Brand origin: Germany.

Titanium diver watches
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ReferenceM1-51-03-KB
TypeDiver
Price$3,100 · approx (EUR 2,900 list)
Case diameter43.0 mm
Thickness13 mm
Lug-to-lug–
Water resistance500 m
Weight–
OriginGermany
MovementAutomatic
CaliberSellita SW400-1 (Mühle version)
Power reserve~41 h
ComplicationsDate
TitaniumTitanium (grade undisclosed)
Surface treatmentNone
Nickel-freeYes
Bracelet / strapRubber strap, titanium folding clasp
CrystalSapphire (2.5 mm), double AR coated
Display backNo
DialBlack
LumeSuper-LumiNova
AvailabilityOffered
StatusCurrent
High confidence Verified 2026-06-19 Source: Mühle-Glashütte (maker) Maker / listing ↗
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