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SRP635

SRP635 Automatic Watch

The Seiko SRP635 is a 44mm men's automatic watch with a stainless steel case and a khaki analog dial protected by hardlex crystal. It uses a 4R36 caliber self-winding mechanical movement that can be manually wound and hacked (the second hand stops when the crown is pulled out). It ticks 6 times per second which gives the second hand a smoother movement than a quartz watch which ticks once per second. The watch should run for up to 41 hours when fully wound and will self-wind when moved.

Specifications
Model nr. SRP635
Brand Seiko
Gender Men's
Movement
Type Automatic
Caliber 4R36
Beats per Hour 21,600 bph
Manual Winding Yes
Hacking Yes
Power Reserve 41 Hours
Instructions Owner's Manual
Case
Crown Position 03:00
Case Width (mm) 44
Case Thickness (mm) 13
Case Shape Round
Case Material Stainless Steel
Crystal Material Hardlex
Water Resistance (meters) 100
Screw Down Crown No
Second Crown No
Complications
Moonphase No
Day Window Yes
Date Window Yes
Time Types Hours, Minutes, Seconds
Band
Band Material Canvas
Band Color Khaki
Replaceable Band Yes
Band Width (mm) 22
Dial
Dial Color Khaki
Hour Markings Arabic Numerals, Bars
Bezel
Bezel Function Fixed
Bezel Material Stainless Steel
Bezel Color Silver
Inner Bezel
Inner Bezel Color Khaki
On Inner Bezel Minute Numbering
Hand Colors
Hour Hand Black
Minute Hand Black
Second Hand Black, Red