Seiko Cal. 5681 - 726

Released in 1969, the Cal. 5681 with design code 726 was part of Seiko's domestic market collection. Powered by the 5681 caliber with 34j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-2efe48bd17ef]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1969

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