Seiko Cal. 6623 - 475

This Quartz model from 1977 features a 46mm Gold-Plated case. Powered by the 6623 caliber with 23j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-402d263e2f59]

Also known as: Helmet, UFO

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1977

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