Seiko Cal. 3821 - 393

The Seiko 3821-393 represents an important milestone in Seiko's 1971 lineup. Powered by the 3821 caliber with 23j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-c0a9057da617]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1971

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