Seiko Cal. 5669 - 378

Seiko 5669-378

The 5669-378 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-32bfffa137da]

Also known as: Sumo, Sea Horse

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
9.6mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1969

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