Seiko Cal. 6615 - 712

Released in 1965, the Cal. 6615 with design code 712 was part of Seiko's domestic market collection. With its 20mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-cdca6eaf0f55]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1965

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