Seiko Cal. 3821 - 711

The 3821-711 is a sought-after Kinetic piece from Seiko's golden era. With its 21mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-194ac477ffdb]

Also known as: UFO, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1976

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