Seiko Cal. 4445 - 635

The Seiko 4445-635 represents an important milestone in Seiko's 1990 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-75dfef046a52]

Also known as: Sumo, Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1990

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