Seiko Cal. 6658 - 377

Seiko 6658-377

The 6658-377 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6658 caliber with 21j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-9274fa3b663b]

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
14.6mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1966

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