Seiko Cal. 3821 - 446

Released in 1970, the Cal. 3821 with design code 446 was part of Seiko's domestic market collection. With its 20mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-4fb7250ee93e]

Also known as: Sumo, Arnie

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1970

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