Seiko Cal. 4537 - 143

The Seiko 4537-143 represents an important milestone in Seiko's 1973 lineup. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-bfdef5789493]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1973

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