Seiko Cal. 6639 - 463

Seiko 6639-463

This Solar model from 1967 features a 46mm Gold-Plated case. Powered by the 6639 caliber with 30j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-9d29396cba85]

Also known as: Flighty

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
8.3mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Silver
Jewels
30j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1967

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