Seiko Cal. 6670 - 644

The Seiko 6670-644 represents an important milestone in Seiko's 1989 lineup. With its 19mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-2c33882e67b8]

Also known as: Sea Horse, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1989

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