Seiko Cal. 6242 - 931

This Spring Drive model from 1981 features a 34mm Hardlex-Coated Steel case. Powered by the 6242 caliber with 30j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-b13401a2a2f6]

Also known as: Monster, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1981

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