Seiko Cal. 4547 - 233

This Spring Drive model from 1969 features a 39mm Hardlex-Coated Steel case. Powered by the 4547 caliber with 17j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-c61ce691fa8c]

Also known as: Sumo, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1969

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