Seiko Cal. 4425 - 747

The Seiko 4425-747 represents an important milestone in Seiko's 1987 lineup. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-573aee6149fe]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1987

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