Seiko Cal. 6646 - 435

The Seiko 6646-435 represents an important milestone in Seiko's 1973 lineup. Powered by the 6646 caliber with 35j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-abdd8ec8328d]

Also known as: UFO, Silverwave

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1973

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