Seiko Cal. 6378 - 190

The Seiko 6378-190 represents an important milestone in Seiko's 1997 lineup. Powered by the 6378 caliber with 19j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-e53eb9582ae7]

Also known as: World Timer, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1997

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