Seiko Cal. 5242 - 538

This Spring Drive model from 1983 features a 43mm Stainless Steel case. Powered by the 5242 caliber with 29j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-38c81f0550a0]

Also known as: Helmet, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1983

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