Seiko Cal. 6663 - 439

This Quartz model from 1979 features a 40mm Stainless Steel case. With its 22mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-64fb0e197cb8]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1979

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