Seiko Cal. 4555 - 506

The 4555-506 is a sought-after Automatic piece from Seiko's golden era. With its 18mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-631a4e4790f8]

Also known as: Rally, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1976

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