Seiko Cal. 3871 - 804

The 3871-804 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3871 caliber with 24j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-968e76453615]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1991

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