Seiko Cal. 6320 - 723

Released in 1978, the Cal. 6320 with design code 723 was part of Seiko's domestic market collection. Powered by the 6320 caliber with 31j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-e2ea8d5eb5db]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1978

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