Seiko Cal. 4591 - 285

The Seiko 4591-285 represents an important milestone in Seiko's 1972 lineup. With its 20mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-e8ccb3ffea82]

Also known as: Monster, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1972

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