Bulova Marine Star 98A273 44mm – Japanese automatic dive watch with open heart aperture and exhibition case back
This refined marine-inspired timepiece merges classic dive watch aesthetics with mechanical artistry, featuring a 21-jewel automatic movement showcased through both dial aperture and exhibition case back while luxurious gold-tone stainless steel construction and 200-meter water resistance deliver versatile performance for the enthusiast who values visible horological craftsmanship and professional aquatic capability.
| Benefits |
| Open heart dial aperture reveals the intricate automatic movement in motion for appreciation of mechanical artistry |
| Exhibition case back showcases the full caliber 82S5 movement with visible rotor and finishing details |
| 200-meter water resistance enables recreational diving, snorkeling, and serious aquatic activities with professional-grade protection |
| Key features |
| 44mm gold-tone stainless steel case with black accents, exhibition case back, and flat mineral crystal |
| Black dial with gold accents, luminous hands, and open heart aperture displaying automatic movement |
| Gold-tone stainless steel bracelet with 24mm width for seamless integrated styling |
| Who it's for |
| Men seeking a refined dive watch with mechanical authenticity and transparent case back displays |
| Watch enthusiasts valuing visible automatic movements and marine heritage in a luxurious gold-tone aesthetic |
| How to wear |
| Wear daily to maintain automatic winding; if stopped, manually wind crown clockwise 20-30 turns before wearing |
| Ensure crown is fully secured before water exposure; rinse with fresh water after saltwater use |
| Specs |
| Movement |
Japanese automatic, Miyota caliber 82S5 with 21 jewels and open heart display |
| Case diameter |
44mm gold-tone stainless steel with exhibition case back |
| Bracelet |
Gold-tone stainless steel with deployment clasp, width 24mm |
| Water resistance |
200 meters |
| Crystal |
Flat mineral, impact and shatter resistant |
| Model |
98A273 |
| UPC |
42429586949 |
