Seiko Cal. 6378 - 184

Released in 1974, the Cal. 6378 with design code 184 was part of Seiko's domestic market collection. Powered by the 6378 caliber with 26j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-95143a0c4e92]

Also known as: Bellmatic, Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1974

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