Seiko Cal. 6378 - 104

The Seiko 6378-104 represents an important milestone in Seiko's 1999 lineup. Powered by the 6378 caliber with 19j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-77c37fd7ae8d]

Also known as: Monster, Goldfeather

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1999

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