Seiko Cal. 6164 - 163

Seiko 6164-163

The 6164-163 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6164 caliber with 17j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-608be41c9f3e]

Also known as: Sumo, Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
8.8mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Navy
Jewels
17j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1968

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