Seiko Cal. 6638 - 895

The Seiko 6638-895 represents an important milestone in Seiko's 1984 lineup. Powered by the 6638 caliber with 28j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-60d4f3852702]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

34mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1984

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