Seiko Cal. 6639 - 413

Seiko 6639-413

This Solar model from 1967 features a 37mm Gold-Plated case. Powered by the 6639 caliber with 17j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-b4e579513273]

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
10.6mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Silver
Jewels
17j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1967

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seikata-wm-b4e579513273