Seiko Cal. 5681 - 912

The 5681-912 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5681 caliber with 22j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-62c6ae1daebf]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1966

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