Seiko Cal. 3818 - 612

This Spring Drive model from 1979 features a 43mm PVD Black case. Powered by the 3818 caliber with 22j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-5ff2763ce888]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1979

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