Seiko Cal. 5679 - 642

Seiko 5679-642

The 5679-642 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5679 caliber with 27j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-47e0df34d346]

Also known as: UFO

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
8.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Navy
Jewels
27j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1976

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