Seiko Cal. 6623 - 290

The 6623-290 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6623 caliber with 20j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-159614abfb8b]

Also known as: Helmet, Arnie

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1997

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