Seiko Cal. 6674 - 564

Seiko 6674-564

This Spring Drive model from 1968 features a 40mm Gold-Plated case. Powered by the 6674 caliber with 31j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-23754479b45d]

Also known as: UFO, Flighty

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
9.6mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1968

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