Seiko Cal. 6378 - 217

The Seiko 6378-217 represents an important milestone in Seiko's 1970 lineup. Powered by the 6378 caliber with 24j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-2ef401243fac]

Also known as: Rally

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1970

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