Seiko Cal. 3820 - 409

Seiko 3820-409

The Seiko 3820-409 represents an important milestone in Seiko's 1984 lineup. Powered by the 3820 caliber with 18j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-e6ed39e2fb5e]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
13.1mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
White
Jewels
18j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1984

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