Seiko Cal. 6651 - 559

Released in 1978, the Cal. 6651 with design code 559 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-509ec13dc147]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1978

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