Seiko Cal. 6378 - 891

The 6378-891 is a sought-after Solar piece from Seiko's golden era. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-71a71f4a1464]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1967

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