Seiko Cal. 6393 - 631

The Seiko 6393-631 represents an important milestone in Seiko's 1999 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-9596b0ce8ef5]

Also known as: Tuna, Bellmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1999

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