Seiko Cal. 3871 - 385

The 3871-385 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3871 caliber with 33j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-ed1bf53e8f9d]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1989

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