Seiko Cal. 3871 - 521

The Seiko 3871-521 represents an important milestone in Seiko's 1982 lineup. Powered by the 3871 caliber with 22j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-9eb56d133dad]

Also known as: Panda

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1982

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