Seiko Cal. 6687 - 820

This Solar model from 1972 features a 39mm Titanium case. Powered by the 6687 caliber with 18j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-541be5c1742d]

Also known as: Pogue

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1972

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