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gizmotango, Author at RK Watch Service https://rkwatchservice.com/author/gizmotango/ Watch Repair & Restoration Service Fri, 20 Mar 2026 01:15:13 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://rkwatchservice.com/wp-content/uploads/2024/03/cropped-RK-Watch-Service-Logo-Chicago-Watch-Repair-Web-32x32.png gizmotango, Author at RK Watch Service https://rkwatchservice.com/author/gizmotango/ 32 32 1915-20 single button Omega wrist chronograph https://rkwatchservice.com/1915-20-single-button-omega-wrist-chronograph/ Fri, 29 Aug 2025 22:34:25 +0000 http://rkwatchservice.com/?guid=03122d4cddb9e6b750e795ccdf4b3531 Watch Repair & Restoration Services in Northbrook & North Chicago Suburbs. Contact us for a free estimate at 224-213-7371. Learn more from our news blog.
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gizmotango

I have this 1915 or so Single Button wrist chronograph which i would like confirmation on its identity - inside case back is the Omega mark, 5413821 and depose 9840 - on the dust cover is again 5413821 and below it 22 - one watchmaker who look...

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]]> Watch Repair & Restoration Services in Northbrook & North Chicago Suburbs. Contact us for a free estimate at 224-213-7371. Learn more from our news blog.
RK Watch Service - Watch Repair & Restoration Service
gizmotango

Omega Watch Forums Omega Watch Forums

I have this 1915 or so Single Button wrist chronograph which i would like confirmation on its identity – inside case back is the Omega mark, 5413821 and depose 9840 – on the dust cover is again 5413821 and below it 22 – one watchmaker who looked at it but would not venture a repair said the movement number was 552067 but i cant see this number anywhere = I have included a few pics to aid in possible identification – thank you Teresa

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