Seiko Cal. 6399 - 320

Released in 1970, the Cal. 6399 with design code 320 was part of Seiko's domestic market collection. Powered by the 6399 caliber with 26j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-ba34bfa1bd8f]

Also known as: Samurai, Crown

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1970

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