Seiko Cal. 6393 - 764

The 6393-764 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6393 caliber with 18j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-2f1a4bf14ca6]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1978

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