Seiko Cal. 6665 - 178

Seiko 6665-178

The 6665-178 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-23072b86c22b]

Also known as: Sumo

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
12.7mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Green
Jewels
30j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1970

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