Seiko Cal. 6691 - 873

This Hand-Winding model from 1971 features a 39mm PVD Black case. Powered by the 6691 caliber with 33j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-5e22a6326899]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1971

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