Seiko Cal. 6638 - 301

This Spring Drive model from 1973 features a 45mm Gold-Plated case. Powered by the 6638 caliber with 24j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-49bb31396c6b]

Also known as: Panda, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1973

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