Seiko Cal. 6649 - 623

Released in 1990, the Cal. 6649 with design code 623 was part of Seiko's domestic market collection. With its 19mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-5df5f75ea2cb]

Also known as: Helmet, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1990

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