Seiko Cal. 3871 - 239

The 3871-239 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3871 caliber with 21j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-cc8347b04621]

Also known as: Shogun, Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1996

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