Sinn U1
Dive watch introduced in the 2000s, machined from German submarine steel.
3 references
“Differs” marks a spec with different recorded values. — means not recorded.
| Spec | U1 | U1 DE limited edition | U1 DS grinding/brushed dial finish |
|---|---|---|---|
| Case size | 44 mm | 44 mm | 44 mm |
| Thickness | 15 mm | 15 mm | 15 mm |
| Lug width | 22 mm | 22 mm | 22 mm |
| Case Differs | German submarine steel (U-boat steel), round | German submarine steel, black hard-coated (Tegiment), round | German submarine steel, round |
| Bezel | stainless steel unidirectional | stainless steel unidirectional | stainless steel unidirectional |
| Crystal | sapphire | sapphire | sapphire |
| Water resistance | 1000 m | 1000 m | 1000 m |
| Movement type | Automatic | Automatic | Automatic |
| Complications | date | date | date |
| Dial Differs | black | Not recorded | raw steel with grinding pattern |
| Indices | applied luminous indices | applied luminous indices | applied luminous indices |
| Lume | Super-LumiNova | Super-LumiNova | Super-LumiNova |
| Hands | sword, white with lume fill | sword, white with lume fill | sword, white with lume fill |
| Bracelet | steel bracelet or rubber strap | steel bracelet or rubber strap | steel bracelet or rubber strap |
| Produced Differs | 2005 | 2020–2020 | 2021 |
| Limited edition Differs | Not recorded | Limited edition, per Monochrome Watches, 'Introducing Sinn U1 DE Limited Edition' (Brice Goulard, 2020) | 500 pieces |