Seiko Cal. 4445 - 673

The Seiko 4445-673 represents an important milestone in Seiko's 1971 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-7de4c8cfc398]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1971

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