Seiko Cal. 5638 - 450

Seiko 5638-450

This Solar model from 1976 features a 36mm Hardlex-Coated Steel case. With its 19mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-39a0cfba9f6e]

Also known as: Golden Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
11.0mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Cream
Jewels
22j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1976

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