Seiko 5 Sports SBSA303 Automatic Men's Watch Blue Dial Steel Case
Seiko 5 Sports SBSA303 Automatic Men's Watch – Blue Dial
The Seiko 5 Sports SBSA303 is an automatic mechanical watch from the SKX Series, featuring a blue radial-finish dial and a design inspired by the historic SKX399. It combines Seiko’s 4R36 movement with a stainless-steel case and bracelet.
The watch features manual winding, stop-seconds functionality, and a day-date display. Its 42.5 mm stainless-steel case has a curved Hardlex crystal, LumiBrite hands and indexes, and a unidirectional rotating bezel with a glossy Hardlex insert.
The SBSA303 offers 10-bar water resistance and approximately 41 hours of power reserve. It is supplied with a stainless-steel bracelet and a locking three-fold clasp.
Key Features
Seiko 4R36 automatic mechanical movement
Manual winding and stop-seconds function
Blue radial-finish dial with applied rectangular indexes
Stainless-steel 42.5 mm case
Curved Hardlex crystal
Unidirectional rotating bezel with glossy Hardlex insert
Day-date display
10-bar water resistance
Specifications
Specification | Details |
Brand | Seiko |
Model / Reference | SBSA303 |
Collection / Series | Seiko 5 Sports / SKX Series |
Movement | Seiko 4R36 |
Caliber | 4R36 |
Movement Type | Automatic mechanical with manual winding |
Case Material | Stainless steel |
Case Diameter | 42.5 mm |
Case Thickness | 13.9 mm |
Lug Width | 22 mm |
Crystal | Curved Hardlex |
Dial Color | Metallic blue |
Dial Details | Radial/sunray finish with applied rectangular indexes |
Caseback | Screw caseback with see-through window |
Bezel | Unidirectional rotating bezel with glossy Hardlex insert |
Bracelet / Strap | Stainless-steel bracelet |
Clasp / Buckle | One-push three-fold clasp with secure lock |
Water Resistance | 10 bar |
Functions | Hours, minutes, seconds, day and date; stop-seconds function |
Power Reserve | Approximately 41 hours |
Other | LumiBrite on hands and indexes; magnetic resistance; 187 g weight |
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