Seiko Cal. 4540 - 531

The Seiko 4540-531 represents an important milestone in Seiko's 1994 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-8806dfb97ba2]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1994

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