Seiko Cal. 6635 - 288

The Seiko 6635-288 represents an important milestone in Seiko's 1973 lineup. Powered by the 6635 caliber with 23j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-981ed51120f6]

Also known as: Samurai, Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1973

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