Seiko Cal. 3821 - 323

Seiko 3821-323

The 3821-323 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3821 caliber with 34j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-1cfe672de1ba]

Also known as: Sportsmatic

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
37mm
Case Thickness
9.7mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
120m
Dial Color
Burgundy
Jewels
34j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1988

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