Seiko Cal. 6636 - 473

The Seiko 6636-473 represents an important milestone in Seiko's 1981 lineup. Powered by the 6636 caliber with 25j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-581272b69655]

Also known as: Panda, Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1981

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