Compact, versatile, and built with Seiko’s unmistakable reliability — the Seiko 5 Sports 37.4 mm Automatic reimagines the classic SKX spirit in a smaller, more wearable size. Combining sportiness and everyday refinement, it’s the ideal balance between heritage design and modern functionality.
Powered by Seiko’s Caliber 4R36 automatic movement, it delivers a 41-hour power reserve with both automatic and manual winding options. The stainless-steel case features a curved Hardlex crystal, luminous hands and indices, and a see-through screw case back that showcases the movement within. Water-resistant to 10 bar, it’s durable enough for daily adventures while maintaining a sleek, comfortable profile.
Specs at a glance:
Movement: Seiko 4R36 automatic, 24 jewels
Power reserve: ~41 hours
Case size: 37.4 mm diameter × 12.5 mm thick
Lug-to-lug: 44.7 mm
Case material: Stainless steel
Crystal: Curved Hardlex glass
Bracelet: Stainless steel with three-fold clasp (push-button release)
Lug width: 18 mm
Water resistance: 10 bar (100 m)
Weight: 125 g
Features: Day/date display, stop-seconds, LumiBrite hands & markers, see-through screw case back
Magnetic resistance: 4,800 A/m
A refined, smaller-sized Seiko 5 Sports that maintains the rugged charm of the SKX lineage — perfect for those seeking an everyday automatic with a timeless feel.
