Seiko Cal. 6399 - 628

This Spring Drive model from 1965 features a 43mm Hardlex-Coated Steel case. With its 19mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-d0616e28eb3b]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1965

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