Seiko Cal. 6378 - 220

Seiko 6378-220

The 6378-220 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6378 caliber with 26j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-d784a0b87d7e]

Also known as: Samurai

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
41mm
Case Thickness
8.5mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
90m
Dial Color
Navy
Jewels
26j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1970

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