Seiko Cal. 4445 - 728

The Seiko 4445-728 represents an important milestone in Seiko's 1983 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-11af1744ce9e]

Also known as: Sumo, Arnie

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1983

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