Seiko Cal. 4539 - 931

The Seiko 4539-931 represents an important milestone in Seiko's 1976 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-9ebe1369fee0]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1976

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