Seiko SRPE53K1 Automatic Day/Date Stainless Steel Men’s Watch

The Seiko 5 Sports SKX series SRPE53K1 is a versatile automatic watch featuring a 40 mm stainless steel case and Hardlex crystal for durability. Powered by the Caliber 4R36 automatic movement with manual winding, it provides approximately 41 hours of power reserve and 24 jewels. The watch includes stop-second function, day/date display, LumiBrite hands and markers, and a three-fold stainless steel clasp with push-button release for comfort and security. With water resistance up to 100 meters and a see-through screw case back, this watch combines reliability, style, and everyday practicality.

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