Seiko Cal. 4540 - 538

The Seiko 4540-538 represents an important milestone in Seiko's 1982 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-b4ffdef5cca2]

Also known as: Helmet, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1982

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