Seiko Cal. 6646 - 753

The Seiko 6646-753 represents an important milestone in Seiko's 1984 lineup. With its 20mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-43569cf0fed1]

Also known as: Monster, Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1984

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