Seiko Cal. 3831 - 891

Seiko 3831-891

The 3831-891 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-74812ac6d7a7]

Also known as: Turtle, Shogun

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
37mm
Case Thickness
9.9mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Green
Jewels
36j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1968

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