Seiko Cal. 4557 - 761

The Seiko 4557-761 represents an important milestone in Seiko's 1972 lineup. With its 18mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-ea872bcbd36d]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1972

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