Seiko Cal. 5681 - 612

The 5681-612 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5681 caliber with 20j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-ca4ffab809e8]

Also known as: Samurai, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1979

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