Bulova Marine Star 98A227 – 45mm rose gold-tone stainless steel automatic with blue skeleton dial and dual-tone silicone strap.
American sporty sophistication meets mechanical transparency in this Marine Star timepiece, where an open-heart aperture reveals the 21-jewel Miyota 82S5 automatic movement in constant motion. The blue dial contrasts against rose gold-tone case finish and Roman numeral markers for immediate visual impact, while the blue silicone strap features contrasting red underside for dynamic two-tone wrist presence during active wear.
| Benefits |
| 21-jewel automatic movement with hacking and hand-winding eliminates battery replacement entirely |
| 200-meter water resistance protects during swimming, snorkeling, and water sports activities |
| 42-hour power reserve maintains accuracy through weekend wear without winding |
| Key features |
| Open-heart aperture at 6 o'clock showcases visible automatic movement for mechanical enthusiasts |
| Rose gold-tone Roman numerals and luminous hands ensure legibility in low-light conditions |
| Exhibition case back provides full view of decorated automatic caliber |
| Who it's for |
| Men seeking sporty automatic watches with diver-inspired water resistance and bold proportions |
| Active wearers who appreciate visible mechanical movements and comfortable silicone straps |
| How to wear |
| Wind manually via crown or allow wrist motion to activate bidirectional rotor for self-winding |
| Pull crown to second position to engage hacking function and synchronize seconds precisely |
| Specs |
| Case diameter |
45mm |
| Case thickness |
14mm |
| Case material |
Rose gold-tone stainless steel |
| Bezel |
Fixed rose gold-tone with blue outer ring |
| Strap material |
Blue textured silicone with red underside and tang buckle |
| Strap width |
24mm |
| Crystal |
Flat mineral |
| Case back |
Exhibition with see-through window |
| Dial |
Blue with open-heart aperture and luminous accents |
| Movement |
Miyota 82S5 21-jewel automatic with hacking and hand-winding |
| Power reserve |
42 hours |
| Accuracy |
-20 to +40 seconds per day |
| Water resistance |
200 meters |
| Collection |
Marine Star |
| Model |
98A227 |
