Seiko Cal. 6643 - 261

Released in 1997, the Cal. 6643 with design code 261 was part of Seiko's domestic market collection. With its 18mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-1150b6bb9ff6]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1997

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