Seiko Cal. 5666 - 234

The Seiko 5666-234 represents an important milestone in Seiko's 1969 lineup. Powered by the 5666 caliber with 19j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-9ef510dd3641]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1969

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