Seiko Cal. 4537 - 639

Seiko 4537-639

This Kinetic model from 1976 features a 45mm Two-Tone case. With its 21mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-365576a6d170]

Also known as: Bullhead

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
45mm
Case Thickness
13.9mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Burgundy
Jewels
28j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1976

Related Models

seikata-wm-365576a6d170