Seiko Cal. 3881 - 371

The Seiko 3881-371 represents an important milestone in Seiko's 1991 lineup. Powered by the 3881 caliber with 20j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-7390992da2a3]

Also known as: Goldfeather, Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1991

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