Seiko Cal. 6684 - 663

This Solar model from 1973 features a 42mm Two-Tone case. With its 22mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-cdcaf64111a6]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1973

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