Seiko Cal. 7181 - 979

This Spring Drive model from 1999 features a 39mm Titanium case. Powered by the 7181 caliber with 19j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-ce9e1b97d772]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1999

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