Seiko Cal. 7163 - 502

Seiko 7163-502

The 7163-502 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7163 caliber with 26j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-447c0cebb40f]

Also known as: Helmet, Sportsmatic

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
41mm
Case Thickness
14.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Burgundy
Jewels
26j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1985

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