Seiko Cal. 3891 - 163

The 3891-163 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3891 caliber with 31j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-ce5c522ee544]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1997

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