Seiko Cal. 7166 - 441

This Spring Drive model from 1988 features a 39mm Stainless Steel case. Powered by the 7166 caliber with 24j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-f1e92dd166c8]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1988

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