I have a Seth clock that says "30 hour Spring" on it. The top of it is not flat, but more like the top of a stop sign.
Jerome & Company EX Cottage 1-Day striking alarm clock, circa 1850
Rustic Style Round Wood Wall Clocks French Vintage Flower Roman Numerals Wooden Clock Battery Operated Silent Non-Ticking Large Clocks for Cottage Living Room Bedroom Walls 15x15in Decorations : Amazon.ca: Home
Large and Lovely Cottage Wall Clock | Antique Farmhouse
Waterbury Cottage Clock Price Guide
Pine Cottage Clock Antique Jerome Wooden Case Mantle Clock - Etsy
Gilbert 1-Day Cottage Clock | eBay
Two J.C. Brown Cottage Clocks | Cottone Auctions
New Haven Gothic Clock, Seth Thomas Cottage Clock and Rosewood Cottage Clock | Cottone Auctions