Seiko Cal. 3831 - 938

Seiko 3831-938

The Seiko 3831-938 represents an important milestone in Seiko's 1966 lineup. Powered by the 3831 caliber with 32j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-9199a6cfd570]

Also known as: Baby Tuna, Arnie

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
38mm
Case Thickness
9.5mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Cream
Jewels
32j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1966

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seikata-wm-9199a6cfd570