Seiko Cal. 3812 - 688

This Solar model from 1966 features a 44mm Hardlex-Coated Steel case. Powered by the 3812 caliber with 25j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-b2428c75467b]

Also known as: Monster, Bullhead

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1966

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