Seiko Cal. 3820 - 913

Seiko 3820-913

The 3820-913 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-39e93937187e]

Also known as: Rally

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
36mm
Case Thickness
9.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Silver
Jewels
21j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1965

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seikata-wm-39e93937187e