Seiko Cal. 6393 - 740

Released in 1972, the Cal. 6393 with design code 740 was part of Seiko's domestic market collection. It features a Cream dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-b825064ba4ec]

Also known as: Rally, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1972

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