Seiko Cal. 6638 - 102

The Seiko 6638-102 represents an important milestone in Seiko's 1967 lineup. Powered by the 6638 caliber with 26j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-95de12a8c10a]

Also known as: Panda, Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1967

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