Seiko Cal. 7163 - 721

Seiko 7163-721

The 7163-721 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7163 caliber with 25j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-e1d7e59d5ba0]

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
39mm
Case Thickness
12.4mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Champagne
Jewels
25j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1980

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