Seiko Cal. 6649 - 661

The Seiko 6649-661 represents an important milestone in Seiko's 1966 lineup. Powered by the 6649 caliber with 34j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-6cb2811db231]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1966

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