Seiko Cal. 4457 - 635

The Seiko 4457-635 represents an important milestone in Seiko's 1980 lineup. With its 19mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-ac82f583f235]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1980

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