Seiko Cal. 6639 - 716

The Seiko 6639-716 represents an important milestone in Seiko's 1970 lineup. With its 19mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-e15f7d7ed145]

Also known as: Pogue

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1970

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