Seiko Cal. 6380 - 678

Seiko 6380-678

The 6380-678 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6380 caliber with 25j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-1c22588adf6e]

Also known as: Bellmatic, Emperor

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
14.8mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
100m
Dial Color
White
Jewels
25j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1995

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