Seiko Cal. 4573 - 140

Seiko 4573-140

The Seiko 4573-140 represents an important milestone in Seiko's 1970 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-ad6db4b8b390]

Also known as: Helmet, Silverwave

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
13.9mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
35j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1970

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