Sinn 613 St Diving Chronograph Watch 613.012

The Sinn 613 St Diving Chronograph (Ref. 613.012) delivers far more than basic timekeeping through robust instrument design that captivates divers and watch enthusiasts alike whilst the proprietary Ar-Dehumidifying Technology ensures enhanced functional reliability and freedom from fogging in demanding underwater conditions. The exceptional magnetic field protection up to 100 mT effectively prevents magnetisation that could compromise movement precision whilst the 60-minute stopwatch display with white subdial at 6 o’clock enables exact dive time monitoring.

At substantial proportions through bead-blasted stainless steel construction, this provides professional diving instrument presence whilst the captive diver’s bezel with minute ratcheting ensures secure underwater operation. The D3 pusher system protects against lateral impacts and dust or moisture intrusion whilst maintaining precise chronograph functionality essential for serious diving applications.

The SW 515 self-winding movement inspired by Sinn’s chronograph Calibre SZ02 delivers reliable performance through 23 bearing jewels operating at 28,800 semi-oscillations per hour whilst meeting DIN 8309 anti-magnetic standards. The seconds stop function enables precise time setting whilst the movement’s specific development for demanding applications ensures dependable operation under extreme conditions.

The sapphire crystal provides optimal protection whilst the exceptional 500m water and pressure resistance, certified by independent testing institute based on European diving equipment standards, validates genuine professional diving capability. The low pressure resistance ensures reliability across varying atmospheric conditions.

This 613 St Diving Chronograph suits serious diving professionals requiring authentic German engineering with proven anti-fogging technology and exceptional magnetic protection. The Ar-Dehumidifying innovation and 500m certified water resistance create genuine professional capability whilst the robust D3 pusher system and independent testing certification ensure reliable performance that represents Sinn’s commitment to precision instruments for challenges above and below water.