Seiko Cal. 6649 - 476

Released in 1966, the Cal. 6649 with design code 476 was part of Seiko's domestic market collection. With its 18mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-5deab8697ecb]

Also known as: Helmet, Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1966

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