Seiko Cal. 6399 - 913

The Seiko 6399-913 represents an important milestone in Seiko's 1985 lineup. With its 18mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-6a5fa25ac9b0]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1985

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