Seiko Cal. 6378 - 549

The Seiko 6378-549 represents an important milestone in Seiko's 1981 lineup. Powered by the 6378 caliber with 33j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-da98d6139d6c]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1981

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