Seiko Cal. 3873 - 170

The 3873-170 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3873 caliber with 31j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-b6f10deeb6d5]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1992

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