Seiko Cal. 4557 - 723

The Seiko 4557-723 represents an important milestone in Seiko's 1987 lineup. With its 21mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-c767a5d76a96]

Also known as: Emperor, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1987

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