Seiko Cal. 6640 - 947

The Seiko 6640-947 represents an important milestone in Seiko's 1995 lineup. Powered by the 6640 caliber with 36j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-925645fcd425]

Also known as: Pogue, Rally

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1995

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