Seiko Cal. 4531 - 581

Seiko 4531-581

The Seiko 4531-581 represents an important milestone in Seiko's 1983 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-ffdf636c35aa]

Also known as: World Timer

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
11.5mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Champagne
Jewels
29j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1983

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