Seiko Cal. 3869 - 331

The 3869-331 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3869 caliber with 20j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-6bac0d561e79]

Also known as: Bullhead, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1990

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