Seiko Cal. 6393 - 557

Released in 1991, the Cal. 6393 with design code 557 was part of Seiko's domestic market collection. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-18040ff2af0d]

Also known as: Bullhead, Arnie

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1991

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