Seiko Cal. 6399 - 915

The 6399-915 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-d9a8b697b607]

Also known as: Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1968

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