Seiko Cal. 4537 - 381

The Seiko 4537-381 represents an important milestone in Seiko's 1987 lineup. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-91ab6aed0a55]

Also known as: Pogue, Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1987

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