Seiko Cal. 4537 - 864

The Seiko 4537-864 represents an important milestone in Seiko's 1968 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-fc43aeedc9ac]

Also known as: UFO, Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1968

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