Model case
- Crystal
-
Scratch-resistant sapphire
- Water-resistance
-
Waterproof to 100 metres / 330 feet
- Model case
-
Oyster, 44 mm, white gold and platinum
- Bezel
-
Rolex Ring Command (bidirectional 90° rotatable interacting with the movement) in solid platinum with raised numerals
- Diameter
-
44 mm
- Winding crown
-
Screw-down, Triplock triple waterproofness system
- Oyster architecture
-
Monobloc middle case, screw-down case back and winding crown
- Material
-
18 ct white gold
Movement
- Calibre
-
4161, Manufacture Rolex
- Model case
-
Perpetual, mechanical, self-winding, regatta chronograph
- Oscillator
-
Paramagnetic blue Parachrom hairspring
- Winding
-
Bidirectional self-winding via Perpetual rotor
- Precision
-
Officially certified Swiss chronometer (COSC)
- Functions
-
Centre hour and minute hands, small seconds hand at 6 o'clock. Programmable countdown with mechanical memory and on-the-fly synchronization. Stop-seconds for precise time setting
Bracelet
- Clasp
-
Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link
- Bracelet material
-
18 ct white gold
- Bracelet
-
Oyster, flat three-piece links
Dial
- Details
-
Snailed white gold small seconds counter
- Dial
-
White
The Yacht-Master II is designed to meet the needs of professional sailors. This regatta chronograph features the world's first programmable countdown with a mechanical memory. It provides precise synchronization with the crucial starting sequence of a yacht race.