Seiko SRPE55K1 Automatic Day/Date Stainless Steel Men’s Watch

The Seiko 5 Sports SKX series SRPE55K1 is a stylish and reliable automatic watch. It features a 40 mm stainless steel case with Hardlex crystal for durability and clarity. Powered by the Caliber 4R36 automatic movement with manual winding, it offers approximately 41 hours of power reserve and 24 jewels. The stop-second function, day/date display, LumiBrite hands and markers, and three-fold clasp with push-button release ensure both precision and comfort. With water resistance up to 100 meters and a see-through screw case back, this watch is perfect for everyday wear.

Specifications:
Gender: Men’s
Movement Type: Automatic Caliber 4R36
Functions: Hours, minutes, seconds, day/date
Caliber: 4R36
Movement Description: Automatic movement with manual winding, hacking seconds, approx. 41-hour power reserve, 24 jewels
Dial Color: [Not specified—can be added]
Hour Markers: LumiBrite batons
Hands: LumiBrite hour, minute, and seconds hands
Case Shape: Round
Material: Stainless steel
Glass: Hardlex crystal
Case Back: See-through & screw-down
Dimension: 40 mm diameter
Lug Width: 20 mm
Lug-to-Lug: 44.6 mm
Thickness: 11.5 mm
Water Resistance: 10 bar / 100 meters / 330 feet
Magnetic Resistance: 4,800 A/m
Case Specificities: Stop-second function, day/date display
Weight: 142 g
Bracelet: Stainless steel with three-fold clasp and push-button release