Seiko Cal. 6393 - 423

The Seiko 6393-423 represents an important milestone in Seiko's 1978 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-741df9f30111]

Also known as: Rally, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1978

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