Seiko Cal. 4556 - 675

The 4556-675 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-5733f0cf4423]

Also known as: Bullhead, UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1966

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