Seiko Cal. 4423 - 723

The Seiko 4423-723 represents an important milestone in Seiko's 1990 lineup. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-2ec835dc7589]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1990

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