From pages 21 to 30 of the 3634_Bulova Part Number catalog, you will find a detailed listing of small components essential to Bulova watch repair and servicing. These sections include specific part numbers assigned to wheels, stems, hands, and setting components organized by movement calibers and part type.

Overview of Content (Pages 21–30)

1. Stems and Winding Components

These pages feature an index of winding stems by part number and associated caliber. You'll find:

• Multiple configurations of male and female winding stems

• Reference to stem lengths and threads

• Compatibility listings for calibers such as 10BZ, 10BP, 11AC, and 11BL

2. Minute and Hour Wheels

Detailed listings include:

• Hour wheel types, separated by height and tooth count

• Cannon pinion variations

• Distinct part numbers for models using different dial and hand heights

3. Setting Levers and Yokes

This includes:

• Setting lever springs

• Yoke return springs

• Setting wheels and intermediate gears

Each item is associated with a movement and is given a precise part number to facilitate ordering or matching during repairs.

4. Hands and Dial Feet

• Indexed hands by shape (Dauphine, Baton, Alpha, etc.) and color (gold, black, white)

• Standard measurements listed in ligne, with part numbers to match hand styles to specific movements

5. Clutch Wheels and Setting Parts

• Clutch wheels grouped by caliber families

• Identified components such as clutch levers, setting levers, and sleeves

How This Section Helps Watchmakers

These pages provide vital cross-referencing information, enabling:

• Accurate replacement during mechanical repairs

• Sourcing authentic parts using official Bulova part numbers

• Identifying compatible components across multiple calibers with shared construction

Whether you're replacing a winding stem or locating the right cannon pinion for a vintage Bulova model, these pages help reduce errors and ensure precision in part selection.