Seiko Cal. 6378 - 994

The Seiko 6378-994 represents an important milestone in Seiko's 1965 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-24ec18ae110d]

Also known as: UFO, Crown

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1965

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