Seiko Cal. 6378 - 104

Seiko 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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