Seiko Cal. 3821 - 557

The Seiko 3821-557 represents an important milestone in Seiko's 1967 lineup. Powered by the 3821 caliber with 29j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-0dfa8ad60453]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1967

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