Seiko Cal. 6378 - 662

The 6378-662 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6378 caliber with 20j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-7820cdb9ca43]

Also known as: Bellmatic, Arnie

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1978

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