Mens Omega Seamaster Calendar Gold Cap 34mm Ref 2849 9SC Cal. 503 Automatic Date Watch
Make: Omega  Serial #:   16,78x,xxx(from movement)
Year: (approximate) 1958
Country: Swiss

Case Shape and Material:   14k gold plated stainless steel top and stainless steel back. Round shape snap back case 34mm in diameter (45mm L with lugs) in good condition shows a few light scratches and a slight dulling of case back logo from wear. Omega logo crown. Inner case back marked "Omega Watch Co. Fab. Suisse Swiss Made patent 315164 2849 9SC". Outer case back marked with Sea Monster logo.
Lugs: fixed
Monogram:  None
Movement:  Omega 503 automatic chronometer movement 
Movmt Type:  20 jewel Omega automatic full size rotor movement, date can be quickset by backing up repeatedly over the midnight hour.  
Movmt Condition: good condition, winds, sets, runs and keeps time
Timing Data:
face up +10 s/d 1.0ms beat error
face down  +4 s/d 0.8ms beat error
head down -19 s/d 1.2ms beat error
pendant up   -38 s/d  1.4ms beat error
Mainspring (runtime): 30+ hours
Regulation: checked

Dial: original off white dial in good condition with applied gold bullet hour markers except double arrowhead markers at 12,6. Applied gold Omega logo under 12 position and under is "Omega Automatic" and above the 6 position is "Seamaster Calendar". Date window at 3. 
Hands: gold dauphine hands with sweep seconds hand.
Crystal: acrylic crystal in good condition
Band:
  new  genuine crocodile leather band with gold plated buckle will fit
up to a 7.5  inch wrist.  
Box:  generic faux leather display case
Papers:  None

Notes: 
Vintage 1950s Omega Seamaster Calendar watch in a gold filled case, keeping time and ready to wear.