Seiko Cal. 5673 - 728

The Seiko 5673-728 represents an important milestone in Seiko's 1975 lineup. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-add3e40401f5]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1975

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