Seiko Cal. 4427 - 754

The Seiko 4427-754 represents an important milestone in Seiko's 1989 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-29aaa88b0c81]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1989

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