Seiko Cal. 5237 - 712

The Seiko 5237-712 represents an important milestone in Seiko's 1972 lineup. Powered by the 5237 caliber with 33j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-d2d5ecb8529a]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1972

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