Seiko Cal. 4534 - 204

This Spring Drive model from 1973 features a 41mm Hardlex-Coated Steel case. Powered by the 4534 caliber with 27j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-bb16edfb7e66]

Also known as: World Timer, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1973

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