Seiko Cal. 3873 - 548

The 3873-548 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3873 caliber with 29j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-788a6cdb0706]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1979

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