Seiko Cal. 5661 - 963

The Seiko 5661-963 represents an important milestone in Seiko's 1974 lineup. It features a Black dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-73c93528ede5]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1974

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