19”’ | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

• Sav. = Savonnette = hunter movement
• There is also a Lépine (open face) variant of the movement
• Movements with the same dial side can be found in some Union Horlogère / Alpina pocket watches. Straub has developed several movements for UH/Alpina.
• The attribution to Straub/Perla is certain, but it is not clear whether it is caliber 25C.

• Listing ID: 11512
• Manufacturer / Brand: Straub / Perla
• Caliber: 19''' Sav. (25C)
• Size in French Lignes: 19'''
• Size range mm largest diameter: > 40 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 16
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Bimetallic screw balance with Breguet hairspring
• Power Reserve: Unknown
• Production Period: Unknown, maybe around 1930
• Identification: Specific Setting lever spring identified in the movement identifier 'Verksökare Rätt Tid' as Perla 25C (see extra picture)
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)