Seiko Cal. 6378 - 889

The Seiko 6378-889 represents an important milestone in Seiko's 1997 lineup. Powered by the 6378 caliber with 17j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-b9ce4ee33080]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1997

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