![Omega Speedmaster MARK 4.5 Ref 176.0012 Cal Omega 1045 Vintage swiss automatic chronograph watch *** SPECTACULAR *** Omega Vintage watches - Watches83 Omega Speedmaster MARK 4.5 Ref 176.0012 Cal Omega 1045 Vintage swiss automatic chronograph watch *** SPECTACULAR *** Omega Vintage watches - Watches83](https://watches83.com/22296-thickbox_default/omega-speedmaster-mark-45-ref-1760012-cal-omega-1045-vintage-swiss-automatic-chronograph-watch-spectacular-.jpg)
Omega Speedmaster MARK 4.5 Ref 176.0012 Cal Omega 1045 Vintage swiss automatic chronograph watch *** SPECTACULAR *** Omega Vintage watches - Watches83
![Omega Speedmaster Mark IV.5 Ref. 176.0012 circa 1978 | steel automatic chronograph wristwatch - Black Bough | Ludlow Omega Speedmaster Mark IV.5 Ref. 176.0012 circa 1978 | steel automatic chronograph wristwatch - Black Bough | Ludlow](https://www.blackbough.co.uk/wp-content/uploads/omega-speedmaster-mark-iv-5-ref-176-0012-circa-1978-v01.jpeg)
Omega Speedmaster Mark IV.5 Ref. 176.0012 circa 1978 | steel automatic chronograph wristwatch - Black Bough | Ludlow
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