Seiko Cal. 6658 - 922

The Seiko 6658-922 represents an important milestone in Seiko's 1978 lineup. Powered by the 6658 caliber with 36j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-d3f838937872]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1978

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