Seiko Cal. 5231 - 992

The Seiko 5231-992 represents an important milestone in Seiko's 1980 lineup. Powered by the 5231 caliber with 31j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-1e773239358b]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1980

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