Seiko Cal. 3820 - 221

The Seiko 3820-221 represents an important milestone in Seiko's 1967 lineup. With its 19mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-e0feed799bc1]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1967

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