Seiko Cal. 4555 - 621

Released in 1976, the Cal. 4555 with design code 621 was part of Seiko's domestic market collection. With its 18mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-8ebb4cac3922]

Also known as: Rally, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1976

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