Seiko Cal. 4557 - 342

The Seiko 4557-342 represents an important milestone in Seiko's 1976 lineup. With its 20mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-6ee2b1e8c28e]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1976

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