Seiko Cal. 7163 - 170

Seiko 7163-170

This Hand-Winding model from 1979 features a 42mm PVD Black case. Powered by the 7163 caliber with 31j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-bb031f5e8f5e]

Also known as: Monster, Tuna

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
42mm
Case Thickness
14.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
90m
Dial Color
White
Jewels
31j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1979

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