Seiko Cal. 6640 - 792

The Seiko 6640-792 represents an important milestone in Seiko's 1985 lineup. Powered by the 6640 caliber with 35j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-71461a5dba23]

Also known as: Panda

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1985

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