Seiko Cal. 6646 - 904

The Seiko 6646-904 represents an important milestone in Seiko's 1985 lineup. With its 21mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-bcb6115978fa]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1985

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