Seiko Cal. 3821 - 378

The Seiko 3821-378 represents an important milestone in Seiko's 1982 lineup. Powered by the 3821 caliber with 27j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-a09ce8a2ee8a]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1982

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