Seiko Cal. 5638 - 661

Seiko 5638-661

This Automatic model from 1974 features a 45mm Stainless Steel case. It features a Silver dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-83a9f8bd4620]

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
15.3mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Silver
Jewels
34j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1974

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seikata-wm-83a9f8bd4620