Seiko Cal. 5637 - 685

Seiko 5637-685

This Quartz model from 1976 features a 39mm Titanium case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-38b5b0cc071a]

Also known as: Navigator

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
39mm
Case Thickness
9.6mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1976

Related Models

seikata-wm-38b5b0cc071a