Seiko Cal. 6615 - 670

This Spring Drive model from 1965 features a 42mm Hardlex-Coated Steel case. With its 22mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-6ea10e23d2c3]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1965

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