Seiko Cal. 5237 - 520

The Seiko 5237-520 represents an important milestone in Seiko's 1985 lineup. Powered by the 5237 caliber with 19j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-9bdd6905edea]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1985

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