Seiko Cal. 6638 - 302

Released in 1966, the Cal. 6638 with design code 302 was part of Seiko's domestic market collection. Powered by the 6638 caliber with 27j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-0f6ad82cdda8]

Also known as: Samurai, UFO

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1966

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