Seiko Cal. 5237 - 991

The Seiko 5237-991 represents an important milestone in Seiko's 1972 lineup. With its 21mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-6471eb271d0e]

Also known as: Rally, Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1972

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