Seiko Cal. 6399 - 375

This Quartz model from 1969 features a 35mm Hardlex-Coated Steel case. Powered by the 6399 caliber with 18j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-e286ce38fd39]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1969

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