Seiko Cal. 6637 - 297

The Seiko 6637-297 represents an important milestone in Seiko's 1980 lineup. Powered by the 6637 caliber with 34j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-82e097b36692]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1980

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