Seiko Cal. 6623 - 579

The Seiko 6623-579 represents an important milestone in Seiko's 1989 lineup. Powered by the 6623 caliber with 19j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-e8a8431e9560]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1989

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