Seiko Cal. 6378 - 104

Seiko 6378-104

The 6378-104 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6378 caliber with 27j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-f2afd3e25144]

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
15.2mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
150m
Dial Color
Cream
Jewels
27j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1992

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