Seiko Cal. 6638 - 280

The Seiko 6638-280 represents an important milestone in Seiko's 1969 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-3812e122f5d7]

Also known as: Goldfeather

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1969

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