Seiko Cal. 4445 - 703

The Seiko 4445-703 represents an important milestone in Seiko's 1986 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-e491598a6e81]

Also known as: Sumo, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1986

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