Seiko Cal. 4557 - 623

The Seiko 4557-623 represents an important milestone in Seiko's 1987 lineup. With its 20mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-251fc0233f3a]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1987

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