Seiko Cal. 7166 - 151

This Spring Drive model from 1985 features a 39mm Two-Tone case. Powered by the 7166 caliber with 19j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-4ab9be925f83]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1985

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