Seiko Cal. 6684 - 477

This Spring Drive model from 1969 features a 40mm Titanium case. With its 21mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-122c9037e065]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1969

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