Seiko Cal. 6657 - 163

Seiko 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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