Seiko Cal. 3831 - 672

Seiko 3831-672

The 3831-672 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-b09b03c3ab2d]

Also known as: Golden Tuna, Flighty

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
10.2mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
40m
Dial Color
Black
Jewels
21j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1982

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