Seiko 5 Sports SKX SBSA309 Automatic Men's Watch Orange Dial
Seiko 5 Sports SKX SBSA309 Automatic Men’s Watch Orange Dial
The Seiko 5 Sports SBSA309 is an automatic men’s watch from the SKX series, featuring a vivid orange dial, stainless-steel case, black silicone strap, and Seiko’s 4R36 mechanical movement. Its design draws on the styling of the archival Seiko SKX399.
The watch combines a 4R36 automatic movement with manual winding and stop-seconds functionality. The orange dial has applied metal hour markers and LumiBrite-treated hands and indices. A curved Hardlex crystal protects the dial, while the unidirectional rotating bezel uses a glossy Hardlex insert.
The 42.5 mm stainless-steel case measures 46.0 mm in length and 13.9 mm in thickness. Additional features include a day-date display, see-through screw caseback, 10-bar water resistance, and approximately 41 hours of power reserve.
Key Features
Seiko 4R36 automatic mechanical movement
Manual winding and stop-seconds function
Orange dial with applied metal hour markers
Curved Hardlex crystal
Unidirectional rotating bezel with glossy Hardlex insert
Stainless-steel case with see-through screw caseback
Black silicone strap
10-bar water resistance
Specifications
Specification | Details |
Brand | Seiko |
Model / Reference | SBSA309 |
Collection / Series | Seiko 5 Sports SKX series |
Movement | Seiko 4R36 |
Caliber | 4R36 |
Movement Type | Mechanical automatic 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 | Orange |
Dial Details | Applied metal hour markers; LumiBrite on hands and indices |
Caseback | See-through screw caseback |
Bezel | Unidirectional rotating bezel with reverse-rotation prevention and glossy Hardlex insert |
Bracelet / Strap | Silicone strap |
Water Resistance | 10 bar |
Functions | Hours, minutes, seconds, day and date; stop-seconds function |
Power Reserve | Approximately 41 hours |
Weight | 100 g |
Other | Magnetic resistance; maximum wrist circumference 205 mm |
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