Seiko Cal. 4576 - 644

The Seiko 4576-644 represents an important milestone in Seiko's 1978 lineup. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-8bd6fcb3e816]

Also known as: World Timer, Crown

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1978

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