Seiko Cal. 6623 - 512

The Seiko 6623-512 represents an important milestone in Seiko's 1981 lineup. Powered by the 6623 caliber with 26j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-a5ef140f7357]

Also known as: Tuna, Flighty

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1981

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