Seiko Cal. 6397 - 658

Released in 1991, the Cal. 6397 with design code 658 was part of Seiko's domestic market collection. With its 19mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-978cf7dfdb10]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1991

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