Seiko Cal. 6646 - 510

The Seiko 6646-510 represents an important milestone in Seiko's 1987 lineup. Powered by the 6646 caliber with 28j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-4a245f93ffeb]

Also known as: Panda

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1987

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