Seiko Cal. 6687 - 531

This Hand-Winding model from 1965 features a 45mm PVD Black case. Powered by the 6687 caliber with 22j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-292657900532]

Also known as: Pogue, Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1965

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