Seiko Cal. 3831 - 833

Seiko 3831-833

The 3831-833 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3831 caliber with 27j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-79c0d838d72f]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
35mm
Case Thickness
9.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
White
Jewels
27j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1980

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seikata-wm-79c0d838d72f