Seiko Cal. 5639 - 322

Seiko 5639-322

This Hand-Winding model from 1986 features a 40mm Stainless Steel case. With its 18mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-767ede06b004]

Also known as: World Timer, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
13.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1986

Related Models

seikata-wm-767ede06b004