| Model num: | Ref.1631M401D |
| Serial: | 57**** |
| Manufactured Year: | 1980 - 1990s |
| Size(Inch): | Case: Diameter. 0.9 Inner Circumference: 6.3 #S |
| Size(m): | Case: Diameter. 24 mm Inner Circumference: 16.0 cm |
| Weight: | 81.9 g |
| Overhaul history: | Date: 7/2026 Included services: -Disassembly and cleaning -Polishing -Battery replacement |
| Movements: | Quartz |
| Color: | Gold |
| Material: | 18KYG, Lapis-lazuli, Diamond
|
| Accessories: | No Accessories |
| Country of Manufacture: | - |
| SKU Number: | 197211 (19) |