Seiko Cal. 6390 - 248

The Seiko 6390-248 represents an important milestone in Seiko's 1971 lineup. With its 21mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-8d77561846aa]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

34mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1971

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