Seiko Cal. 6391 - 497

This Quartz model from 1975 features a 39mm Hardlex-Coated Steel case. Powered by the 6391 caliber with 19j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-d2dbea35da44]

Also known as: Pogue, Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1975

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