Seiko Cal. 5681 - 970

The Seiko 5681-970 represents an important milestone in Seiko's 1985 lineup. Powered by the 5681 caliber with 21j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-e15410dd274a]

Also known as: UFO, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1985

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