Seiko Cal. 6691 - 508

This Automatic model from 1965 features a 45mm PVD Black case. Powered by the 6691 caliber with 17j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-d4a8d3b9f5ab]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1965

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