Seiko Cal. 3821 - 992

The 3821-992 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3821 caliber with 23j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-1f7b8e1385ce]

Also known as: Sumo, Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1990

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