Seiko Cal. 6639 - 876

This Automatic model from 1991 features a 41mm Titanium case. Powered by the 6639 caliber with 21j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-fc15d2f18d35]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1991

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