Seiko Cal. 6691 - 839

This Hand-Winding model from 1990 features a 44mm PVD Black case. Powered by the 6691 caliber with 24j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-6a4da871382f]

Also known as: Crown, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1990

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