Seiko Cal. 5639 - 364

Seiko 5639-364

This Solar model from 1971 features a 36mm Titanium case. With its 21mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-b9b199bf6718]

Specifications

Movement
Solar
Case Material
Titanium
Case Width
36mm
Case Thickness
14.5mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Black
Jewels
26j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1971

Related Models

seikata-wm-b9b199bf6718