Seiko Cal. 6635 - 347

The 6635-347 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6635 caliber with 28j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-0e660e98813d]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1979

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