[WTS] sinn 857 black. Comes with all 3 bands and tool. Original box and papers. Worn twice, asking 3k not open to trades. Just trying to sell to buy a grail Watch Brand: Sinn Sinn North America Automatic winding with date function • Watch diameter (mm): 43.0 • Watch height (mm): 12.0 • Lug width (mm): 22 • Lug to lug (mm): 49 • Weight - head only (grams): 90 • Water resistance: 200 meters • Case back: Solid • Case finish: Matte • Case metal: Tegimented hardened DLC steel • Dial color: Black • Front crystal: Sapphire • Tegimented: Fully • Inert gas: Filled • Calibre: SW300-1 • Copper sulphate: Capsule • Antimagnetic: 80,000 A/m • Movement: Automatic mechanical