Seiko Cal. 6393 - 578

The Seiko 6393-578 represents an important milestone in Seiko's 1965 lineup. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-e010d3f34b2a]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1965

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