U-Boat Chimera Automatic Limited Edition Watch# 7226_u_boat (Men Watch). Band Color: Brown. Dial Color: Black. Display Type: Analog. Item Shape: Round Shape. Band Material: Alligator Leather. BandLength: Men Standard. Case : AISI 316 Plus stainless steel, 43 mm diameter. The bezel and the back of the case are locked together by external tubing and a customized key that ensures absolute water-proofing. Personalized rotor, in silver, build with a base and 3 bridges fixed with blue screws. Thickness: 16,3 mm. Weight: 130 gr approx. Clasp Type: Buckle. Bezel Material: Stainless Steel. Bezel Function: Stationary. Crystal: Sapphire. Water Resistant Depth: 100 meters. Movement: Automatic mechanical, modified and personalized to U-Boat specifications for stem position at 9 o’clock. Height: 4,60 mm. 25 jewels. Power reserve: 38 hours. Frequency: 28.800 vibrations per hour, 4 Hz. Calendar Type: Date. Limited Edition: 999 units. Model Number: 7226_u_boat 7226_u_boa 7226_u_bo 7226_u_b 7226uboat.