| Brand |
Rolex |
| Series |
Yacht-Master 40 |
| Model Number |
16623 |
| Case Material |
Yellow Rolesor (904L Stainless Steel and 18k Yellow Gold) |
| Case Size |
40 mm |
| Case Thickness |
11.5 mm |
| Bezel |
18k Yellow Gold, Bidirectional rotatable with raised 60-minute graduations |
| Dial |
White with black-outlined hour markers (often black onyx fill) and yellow gold hands |
| Movement |
Perpetual, mechanical, self-winding (Calibre 3135) |
| Power Reserve |
Approximately 42–48 hours |
| Crystal |
Scratch-resistant sapphire with Cyclops lens |
| Bracelet |
Two-tone Oyster bracelet (Yellow Rolesor) |
| Clasp |
Oysterlock folding safety clasp |
| Water Resistance |
100 meters / 330 feet |