Seiko Cal. 7163 - 169

Seiko 7163-169

The 7163-169 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7163 caliber with 28j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-f9272ed3efb5]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
41mm
Case Thickness
11.6mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Green
Jewels
28j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1990

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