Seiko Cal. 6638 - 211

The Seiko 6638-211 represents an important milestone in Seiko's 1974 lineup. Powered by the 6638 caliber with 28j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-57ccf9dd6527]

Also known as: Pogue

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1974

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