Seiko Cal. 5639 - 964

Seiko 5639-964

This Spring Drive model from 1994 features a 37mm Gold-Plated case. Powered by the 5639 caliber with 23j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-56262337b27b]

Also known as: Shogun

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
12.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Black
Jewels
23j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1994

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seikata-wm-56262337b27b