Seiko Cal. 4550 - 164

The 4550-164 is a sought-after Automatic piece from Seiko's golden era. With its 21mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-2448ff5a8cf1]

Also known as: Sumo, Pogue

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1989

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