Seiko Cal. 6635 - 831

The Seiko 6635-831 represents an important milestone in Seiko's 1999 lineup. It features a Cream dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-2269adf13014]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1999

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