Seiko Cal. 3821 - 669

The Seiko 3821-669 represents an important milestone in Seiko's 1977 lineup. Powered by the 3821 caliber with 32j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-c18ea56fa294]

Also known as: Goldfeather, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1977

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