Seiko Cal. 3821 - 672

The 3821-672 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3821 caliber with 19j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-0f0254fc999a]

Also known as: Monster, Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1996

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