Seiko Cal. 3821 - 990

The 3821-990 is a sought-after Automatic piece from Seiko's golden era. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-24ae5bc808f6]

Also known as: Samurai, Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1976

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