Seiko Cal. 6687 - 224

This Spring Drive model from 1977 features a 38mm Stainless Steel case. With its 21mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-9efb66bed0ae]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1977

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