Seiko Cal. 4566 - 237

The 4566-237 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4566 caliber with 33j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-fc92561e3440]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1976

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