Seiko Cal. 7163 - 331

Seiko 7163-331

The 7163-331 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7163 caliber with 27j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-d3a2cf844c3c]

Also known as: Rally, Arnie

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
42mm
Case Thickness
13.0mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
80m
Dial Color
Green
Jewels
27j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1994

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