Seiko Cal. 3831 - 781

Seiko 3831-781

The Seiko 3831-781 represents an important milestone in Seiko's 1978 lineup. Powered by the 3831 caliber with 31j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-6ce9fd5b1736]

Also known as: Rally

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
44mm
Case Thickness
9.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
110m
Dial Color
Black
Jewels
31j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1978

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seikata-wm-6ce9fd5b1736