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Watchfinder & Co. Presents Inside The Omega Speedmaster Day-Date
Removing The Auto Work
Removing The Hands And Dial
Disassembling The Dial Side
The Omega Speedmaster Day-Date 2520.53.00 Houses The ETA/Valjoux 7751 - Based Calibre 1151
The Calibre 1151 Boasts The Time, Date, Day, Month, Chronograph And Twenty-Four Hour Time
There Are A Total Of Eight Hands And Two Discs Used To Display These Individual Complications
Removing The Balance
The Balance Is Removed To Access The Escapement. It Is Returned For Cleaning To Protect The Hairspring
The Rotor Of ETA 775x - Based Movements Spins So Fast, A Characteristic 'Wobble' Can Be Distinctly Felt On The Wrist
Removing The Mainspring
The Mainspring Has Lost Its Tension And Must Be Replaced To Retain The Factory Level Of Power Reserve
Cleaning The Movement
Reassembling The Watch
The ETA/Valjoux 7751 Is An Evolution Of The Valjoux 72, The Movement Used In The First Rolex Daytona
Omega Have Since Had The Cal. 1151 Chronometer Certified, Renaming It The Cal. 3606, Which Is Still Used Today
Omega's Cal. 1151 May Not Be The Most Exclusive Movement, But It's Complexity And Affordability Make It A Winner
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