Seiko Cal. 6320 - 391

Released in 1971, the Cal. 6320 with design code 391 was part of Seiko's domestic market collection. It features a Cream dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-2bf8be2bfa38]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1971

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