Seiko Cal. 5639 - 660

Seiko 5639-660

This Kinetic model from 1973 features a 34mm Gold-Plated case. It features a White dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-c2204f53e95a]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
11.6mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
White
Jewels
27j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1973

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