Seiko Cal. 0742 - 233

The Seiko 0742-233 represents an important milestone in Seiko's 1968 lineup. Powered by the 0742 caliber with 25j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-5ddeb4702d6a]

Also known as: Rally, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1968

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