Seiko Cal. 6678 - 837

This Solar model from 1972 features a 43mm Stainless Steel case. Powered by the 6678 caliber with 22j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-baf26e2d3435]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1972

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