Seiko Cal. 5635 - 831

The Seiko 5635-831 represents an important milestone in Seiko's 1998 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-48b7bc4b9c15]

Also known as: UFO, Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1998

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