Oysterlock folding safety clasp,
Rolex Glidelock extension system (20 mm in increments of 2 mm),
Fliplock extension link (26 mm).
WATERPROOFNESS: 1,220 metres (4,000 feet).
MOVEMENT: Mechanical movement with bidirectional self-winding via Perpetual rotor.
FUNCTION: Instantaneous date at 3 o’clock.
OSCILLATOR: Paramagnetic blue Parachrom hairspring.