Seiko Cal. 6623 - 618

Released in 1974, the Cal. 6623 with design code 618 was part of Seiko's domestic market collection. Powered by the 6623 caliber with 24j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-b0cbcd43aaf2]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1974

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