Seiko Cal. 6670 - 860

The Seiko 6670-860 represents an important milestone in Seiko's 1971 lineup. With its 18mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-232971dac782]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1971

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