Seiko Cal. 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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