Seiko Cal. 3821 - 670

Seiko 3821-670

The 3821-670 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3821 caliber with 28j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-147db20db852]

Also known as: Shogun

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
8.6mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Silver
Jewels
28j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1980

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seikata-wm-147db20db852