Seiko Cal. 3821 - 928

The Seiko 3821-928 represents an important milestone in Seiko's 1971 lineup. With its 21mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-da6487793b6a]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1971

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