Seiko Cal. 4542 - 137

This Spring Drive model from 1971 features a 44mm Hardlex-Coated Steel case. Powered by the 4542 caliber with 24j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-4955ca2d535e]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1971

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