Seiko Cal. 6670 - 390

Released in 1965, the Cal. 6670 with design code 390 was part of Seiko's domestic market collection. With its 18mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-96bae3dc9cf3]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1965

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