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← Sinn
Sinn U1
Dive watch introduced in the 2000s, machined from German submarine steel.
3 references
Table
Compare
Reference
Variant
Years
Dial
Size
U1
—
Not recorded
2005
black
44 mm
U1 DE
limited edition
2020–2020
—
Not recorded
44 mm
U1 DS
grinding/brushed dial finish
2021
raw steel with grinding pattern
44 mm
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