Seiko Cal. 6638 - 492

The Seiko 6638-492 represents an important milestone in Seiko's 1973 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-56f43da212c7]

Also known as: Panda, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1973

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