Seiko Cal. 6636 - 642

This Solar model from 1968 features a 37mm Titanium case. Powered by the 6636 caliber with 33j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-bd84f9ba44a3]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1968

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