Seiko Cal. 6649 - 146

The Seiko 6649-146 represents an important milestone in Seiko's 1981 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-61b455be3cb6]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1981

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