Seiko Cal. 6378 - 198

The 6378-198 is a sought-after Solar piece from Seiko's golden era. Powered by the 6378 caliber with 24j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-9db95f7e49ec]

Also known as: Rally

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1976

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