Seiko Cal. 5237 - 311

Released in 1969, the Cal. 5237 with design code 311 was part of Seiko's domestic market collection. Powered by the 5237 caliber with 33j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-de211ba4fbd5]

Also known as: World Timer, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1969

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