Seiko Cal. 6378 - 160

The Seiko 6378-160 represents an important milestone in Seiko's 1979 lineup. Powered by the 6378 caliber with 17j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-912a0ade6e2e]

Also known as: Crown, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1979

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