Seiko Cal. 3820 - 648

Seiko 3820-648

The 3820-648 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-db074b965d75]

Also known as: Samurai

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
9.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Black
Jewels
17j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1981

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