Seiko Cal. 6635 - 100

The 6635-100 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6635 caliber with 23j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-3744c47f20dc]

Also known as: Arnie

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1973

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