Seiko Cal. 5681 - 508

The Seiko 5681-508 represents an important milestone in Seiko's 1971 lineup. Powered by the 5681 caliber with 19j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-16c2ac89de9d]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1971

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