Seiko Cal. 3873 - 166

Released in 1973, the Cal. 3873 with design code 166 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-02b50004bffe]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1973

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