Seiko Cal. 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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