Seiko Cal. 6394 - 577

The 6394-577 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6394 caliber with 34j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-bcc24252d1d3]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1965

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