Seiko Prospex Automatic Divers Baby Tuna SRP637K1

SEIKO PROSPEX AUTOMATIC DIVERS BABY TUNA
SRP 637K1

Movement
Caliber 4R36
Movement: Mechanical automatic winding (with manual winding)
Accuracy: Day difference +45 seconds--35 seconds
Driving period: approximately 41 hours

Exterior
Case Material: Stainless steel
Case Size: Diameter 48mm, Thickness 13.8mm
Crystal: Sapphire
Crystal: Hardlex
LumiBrite: Lumibrite on hands and indexs
Clasp: Three-fold clasp with secure lock , push button release with extender

Other Details
Water Resistance 200m
Screw-down crown
Unidirectional rotating bezel
Day/Date display
Stop second hand function
24 Jewels

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