Seiko Cal. 5681 - 907

The Seiko 5681-907 represents an important milestone in Seiko's 1974 lineup. Powered by the 5681 caliber with 23j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-72543cabeda0]

Also known as: Shogun, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1974

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