Seiko Cal. 7163 - 135

Seiko 7163-135

This Automatic model from 1973 features a 46mm Gold-Plated case. Powered by the 7163 caliber with 27j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-d1131c9033b6]

Also known as: Sumo, Helmet

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
8.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Silver
Jewels
27j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1973

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