Seiko Cal. 4555 - 957

The Seiko 4555-957 represents an important milestone in Seiko's 1975 lineup. With its 20mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-db2f9b20f3a1]

Also known as: World Timer, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1975

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