Rolex Submariner Reference #: 126613LN

• Case Diameter: 41mm

• Case Thickness: Approximately 12.5mm

• Lug Width: 21mm

• Water Resistance: 300 meters (1,000 feet) via the Triplock winding crown. 

• Bezel: Unidirectional rotatable 60-minute graduated Cerachrom insert in black ceramic with gold-coated numerals. 

• Crystal: Scratch-resistant sapphire with a Cyclops lens over the date. 

The watch is powered by the Caliber 3235, a proprietary self-winding mechanical movement entirely developed and manufactured by Rolex.  It is certified as a Superlative Chronometer, guaranteeing precision of -2/+2 seconds per day after casing. 

Technical Details:

• Power Reserve: Approximately 70 hours. 

• Frequency: 28,800 beats per hour (4 Hz). 

• Jewels: 31 rubies.

• Escapement: Chronergy escapement (nickel-phosphorus alloy), offering high efficiency and anti-magnetic properties. 

• Hairspring: Paramagnetic blue Parachrom hairspring, resistant to shocks and temperature variations. 

• Shock Absorbers: High-performance Paraflex shock absorbers. 

• Winding: Bidirectional self-winding via a Perpetual rotor. 

• Functions: Center hour, minute, and seconds hands; instantaneous date with rapid setting; stop-seconds for precise time setting.