Sinn U50 SDR on Silicone Strap w/ extra Sinn OEM Silicone Strap w/ new style Teg. Buckle My beloved Sinn U50. I’ve owned 4 Sinn watches & loved them all. This one is by far the best Sinn I’ve had. Everything on this watch is tight & solid. The crown pops perfectly, & turns like butter. It is smoother than any other watch I own - not sure that it’s actually winding sometimes lol. Keeping time in METAS range. This watch has been worn 20-30 times. I bought it about 1.5yrs ago - like new! **Both bands will fit up to a 7.5” wrist.** The Nato is a Maratac Zulu Trades, Tell me what you have. Im pretty open & will look at anything decent & of equivalent value. ($2500 to $3250 range trade range) can add cash if applicable. $2650 cash + shipping Specs: • Watch diameter (mm): 41.0 • Watch height (mm): 11.2 • Lug width (mm): 20 • Lug to lug (mm): 47 • Weight - head only (grams): 74 • Water resistance: 500 meters • Case finish: Matte • Case metal: Submarine steel • Case back: Solid • Tegimented: Bezel only • Dial color: Black • Front crystal: Sapphire • Movement: Automatic mechanical • Calibre: SW300-1 From SINN: Important features of this watch include: * Case made of German submarine steel * Uni-directional Tegimented submarine steel bezel  * Water resistant to 500 meters * Date display at 3 * Low pressure resistant * Sapphire crystal with double sided AR coating * SuperLuminova on the hands and hours (glows green) This watch is fitted with a black Sinn silicone strap with locking diver's clasp. I have great history & sales on eBay & Mercari & am more than happy to share those accounts upon request. FaceTime chats are also available if requested. Thanks for 👀!