Seiko Cal. 4528 - 183

The 4528-183 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-d8b9d2cb8b68]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1971

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