Seiko Cal. 3821 - 108

Seiko 3821-108

The 3821-108 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3821 caliber with 17j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-afef670022a5]

Also known as: Monster, Helmet

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
14.8mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
180m
Dial Color
Black
Jewels
17j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1980

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