Seiko Cal. 5237 - 940

Released in 1975, the Cal. 5237 with design code 940 was part of Seiko's domestic market collection. Powered by the 5237 caliber with 22j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-019efa8e2111]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1975

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