Seiko Cal. 6641 - 497

The Seiko 6641-497 represents an important milestone in Seiko's 1973 lineup. Powered by the 6641 caliber with 22j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-4edfba5610ff]

Also known as: Panda, World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1973

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