Seiko Cal. 6631 - 569

The Seiko 6631-569 represents an important milestone in Seiko's 1990 lineup. Powered by the 6631 caliber with 30j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-eb23cc4e79a6]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1990

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