Seiko Cal. 6639 - 626

The Seiko 6639-626 represents an important milestone in Seiko's 1977 lineup. Powered by the 6639 caliber with 30j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-8f3d20558f9c]

Also known as: Panda

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1977

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