Seiko Cal. 3871 - 476

The Seiko 3871-476 represents an important milestone in Seiko's 1973 lineup. Powered by the 3871 caliber with 26j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-d83b3ddd3eff]

Also known as: Helmet, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1973

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