Seiko Cal. 4577 - 243

The Seiko 4577-243 represents an important milestone in Seiko's 1987 lineup. With its 19mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-330fbce8309b]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1987

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