U1 S (Ref. 1010.010)

Released 1997; U1 S (submarine steel variant) launched 2009. Built from the same steel used in German U-boats; one of the most robust production dive watches ever made.

Specifications

Reference: 1010.010-Solid-DIAPAL
Collection: U-Series
Case size: 44 mm
Thickness: 12.8 mm
Lug width: 22 mm
Case: Submarine steel (U-boat grade)
Movement: ETA 2824-2 modified with DIAPAL escapement, automatic, 28,800 vph, 38h power reserve
Water resist.: 1000 m
Complications: Time-only with unidirectional rotating bezel
Dial: Matte black dial, large luminous Arabic numerals, anti-reflective sapphire, extremely robust build
Country: Germany
My tier: 1
Tags: IconicTool watchValue pick
Website: official page
Added: Jun 25, 2026