Seiko Cal. 4557 - 570

The Seiko 4557-570 represents an important milestone in Seiko's 1988 lineup. With its 22mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-0da0b2a27331]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1988

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