Seiko Cal. 4452 - 604

The Seiko 4452-604 represents an important milestone in Seiko's 1975 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-f7215d7c2aeb]

Also known as: World Timer, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1975

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