Seiko Cal. 4538 - 331

The Seiko 4538-331 represents an important milestone in Seiko's 1976 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-643f85d2fab0]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1976

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