Seiko Cal. 4418 - 797

This Spring Drive model from 1983 features a 40mm Stainless Steel case. Powered by the 4418 caliber with 21j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-89f9a014bb3f]

Also known as: Monster, Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1983

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