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SRP615 Automatic Watch

The Seiko SRP615 is a 45mm 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.

Model nr. SRP615
Brand Seiko
Gender Men's
Type Automatic
Caliber 4R36
Beats per Hour 21,600 bph
Manual Winding Yes
Hacking Yes
Power Reserve 41 Hours
Instructions Owner's Manual
Crown Position 03:00
Case Width (mm) 45
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
Moonphase No
Day Window Yes
Date Window Yes
Time Types Hours, Minutes, Seconds
Band Material Leather
Band Color Black
Replaceable Band Yes
Band Width (mm) 22
Dial Color Khaki
Hour Markings Bars
Bezel Function Bidirectional
Bezel Material Stainless Steel
Bezel Color Green
On the Bezel Pilot Slide Rule
Inner Bezel
Inner Bezel Color White
On Inner Bezel Bars, Pilot Slide Rule
Hand Colors
Hour Hand Black
Minute Hand Black
Second Hand Black, Orange