Here is an Omega Speedmaster Reduced Automatic “Marui", reference 3510.21.
Its 39 mm stainless steel case houses the distinctive white “Marui” dial, featuring three black subdials and white hands for a striking contrast. The watch is in pristine condition, fitted with an Omega service case and a stainless steel bracelet suitable for wrists up to 17 cm.
Powered by the automatic Omega caliber 1140, based on the ETA 2890-2, this movement has just undergone a full in-house service in October 2025.
This Speedmaster Reduced “Marui” comes with our 6-month warranty.
| Brand | Omega |
|---|---|
| Model | Speedmaster Reduced Automatic "Marui" |
| Reference | 3510.21 |
| Year of production | Circa 1990 |
| Material | Stainless Steel |
| Movement | Automatic |
| Diameter | 39 mm |
| Caliber | Omega 1140 |
| Ruby | 21 |
| Power reserve | 42h |
| Glass | Hesalite |
| Bracelet | Stainless Steel |
| Accessories | None |
| Service | Yes |
| Warranty | 6 months |