Seiko Cal. 7166 - 837

The Seiko 7166-837 represents an important milestone in Seiko's 1988 lineup. Powered by the 7166 caliber with 21j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-daae14fcaab5]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1988

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