SEIKO SRPE511K1

Movement Type: Automatic with manual winding
Power Reserve: Approx. 41 hours
Jewels: 24
Functions:
Stop second hand function
Day & Date display
Case Material: Stainless steel
Case Size: Diameter 40.0 mm, Thickness 11.5 mm, Lug-to-lug 44.6 mm
Crystal: Hardlex
LumiBrite: On hands and indexes
Clasp: Three-fold clasp with push-button release
Lug Width: 20 mm
Water Resistance: 10 bar (100 meters)
Magnetic Resistance: 4,800 A/m
Weight: 142 g
Features: Three-fold clasp with secure lock, see-through case back, screw case back