Seiko Cal. 6657 - 163

The Seiko 6657-163 represents an important milestone in Seiko's 1982 lineup. Powered by the 6657 caliber with 33j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-136efc14ac10]

Also known as: Rally, Arnie

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1982

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