Seiko Cal. 6378 - 799

Seiko 6378-799

The Seiko 6378-799 represents an important milestone in Seiko's 1980 lineup. Powered by the 6378 caliber with 31j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-fa2ce36208bc]

Also known as: Sumo, UFO

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
45mm
Case Thickness
11.4mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1980

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