Seiko Cal. 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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