Men's Watch Blue Silicone Strap U1 B

The steel diving watch for German submarines with a blue dial.

The Watch
Sinn unveils a true diver's watch that will captivate passionate lovers of the sea and ocean. With 100 meters of water resistance, this watch becomes your ultimate companion for your deepest underwater adventures. It features a silver-toned stainless steel case with a captive rotating bezel. The case has a distinctly masculine profile: 44mm in diameter, 14.7mm thick, and weighing 113 grams (without the strap). The diving bezel features a countdown timer and a luminescent marker. A sapphire crystal protects the entire watch face, offering perfect scratch resistance. The crystal is anti-reflective on both sides for enhanced dial legibility. A screw-down crown at 4 o'clock winds the movement, and the screw-down case back encloses the automatic movement within.

The Dial
Dressed in a stunning galvanized blue, the round dial of this U1 B strikes the perfect balance between design, functionality, and performance. Its clean display offers excellent readability at a glance. Three central hands mark the hours, minutes, and seconds. White hour markers line the outer edge of the dial, creating a bold contrast against the blue background for outstanding legibility. These rectangular indices give the watch a thoroughly sporty look and are surrounded by a minute track for added precision. A square date window sits at 3 o'clock, displaying the date in white characters on a black background. The hour and minute indices, along with all three hands, are coated with a luminescent material so you can read the time on even your darkest adventures. Finally, the brand signs this timepiece at 12 o'clock, while the opposite side indicates the movement type, water resistance level, and country of manufacture.

The Movement
An automatic movement powers this entire timepiece. Swiss-made by Sellita, the SW 200-1 caliber drives the central hour, minute, and second hands, as well as the date window at 3 o'clock. This movement features 26 jewels, a frequency of 28,800 bph, a 38-hour power reserve, and a stop-seconds function. Shock-resistant, it also provides protection against magnetic fields in accordance with DIN 8309.

The Strap
This diving watch comes fitted with a blue silicone strap. Delivering maximum comfort, this strap will be your reliable companion through every dive. Note that its lug width measures 22 millimeters. The strap fastens with a large single deployant clasp.

Water Resistance
With a water resistance of 1,000 meters - 100 ATM in watchmaker's terms - even Captain Nemo would envy this timepiece built for the deep. Showers, baths, swimming, or diving (freediving or scuba) are no match for it. Our watch experts at Ocarat do ask two things of you:
Do not operate the pushers or crown while submerged.
And send us the most stunning photo of an exotic deep-sea fish - with the watch in frame if possible. It would look great in our offices and on our Instagram page!