Seiko Cal. 6636 - 253

Seiko 6636-253

This Spring Drive model from 1977 features a 38mm Gold-Plated case. With its 20mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-fa1e40a070f7]

Also known as: Rally, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
9.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
30m
Dial Color
Cream
Jewels
25j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1977

Related Models

seikata-wm-fa1e40a070f7