Seiko Cal. 5637 - 410

Seiko 5637-410

This Hand-Winding model from 1981 features a 40mm Titanium case. With its 20mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-6161e296be39]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
40mm
Case Thickness
11.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Silver
Jewels
20j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1981

Related Models

seikata-wm-6161e296be39