Seiko Cal. 3881 - 366

The Seiko 3881-366 represents an important milestone in Seiko's 1984 lineup. Powered by the 3881 caliber with 22j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-6bfe7cfd65d2]

Also known as: Goldfeather, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1984

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