Seiko Cal. 6631 - 641

This Automatic model from 1994 features a 45mm Hardlex-Coated Steel case. Powered by the 6631 caliber with 26j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-17be4ea9012f]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1994

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