Seiko Cal. 3831 - 617

Seiko 3831-617

The Seiko 3831-617 represents an important milestone in Seiko's 1990 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-b8ab182a82d0]

Also known as: Monster, Sumo

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
45mm
Case Thickness
11.8mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
170m
Dial Color
Black
Jewels
28j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1990

Related Models

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