Seiko Cal. 6638 - 286

The Seiko 6638-286 represents an important milestone in Seiko's 1965 lineup. Powered by the 6638 caliber with 19j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-0f5b7c07b837]

Also known as: Panda, Arnie

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1965

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