Seiko Cal. 5637 - 527

Seiko 5637-527

This Quartz model from 1986 features a 35mm Titanium case. With its 20mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-01a2dac72115]

Also known as: Helmet, World Timer

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
35mm
Case Thickness
14.3mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
90m
Dial Color
Navy
Jewels
33j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1986

Related Models

seikata-wm-01a2dac72115