Seiko Cal. 4440 - 597

The Seiko 4440-597 represents an important milestone in Seiko's 1997 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-dbda33d759b3]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1997

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