Seiko Cal. 4491 - 897

This Quartz model from 1979 features a 34mm Stainless Steel case. Powered by the 4491 caliber with 29j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-64a517ebc1d5]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1979

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