Seiko Cal. 3821 - 672

Seiko 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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