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Förster 187

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Förster 187 caliber

Förster 187 caliber

Basic Information

Name	Förster 187
Manufacturer	Förster
Launch Year	1965
Caliber Family	Description fixed stud carrier: 150: 10.5" , manual wind 187: 11.5" , manual wind, date 192: 11.5" , automatic 196: 11.5" , automatic, date mobile stud carrier, new automatic: 152: 10.5" , manual wind 1152: 11.5" , manual wind 189: 11.5" , manual wind, date 1189: 11.5" , manual wind, day, date 194: 11.5" , automatic 197: 11.5" , automatic, date 1197: 11.5" , automatic, day, date Related calibers Förster 1152, Förster 1189, Förster 1197, Förster 150, Förster 152, Förster 187, Förster 189, Förster 192, Förster 194, Förster 196, Förster 197
Is COSC certified	No

Technical Details

Lignes Dimensions	11.5 ‴
Dimensions	26 mm
Height	3.9 mm
Further Measures	Mounting Diameter (Dm): 25.6mm Stem height (T): 1.9mm Mounting Height (F): 1.5mm
Power Reserve	38 hours
Frequency	18,000 vph
Jewels	21

Complications and Specifications

Shape	Round
Complications	Sweep Second Date
Shock Protection	KIF
Regulator Type	Pinned Regulator (or Index Regulator)
Movement Type	Manual
Escapement Type	Swiss Lever
Control Type	Balance Wheel
Winding Type	Stem Winding (Crown)
Setting Type	Stem Set (Crown Pull)

Additional Information

Hand Sizes	1.50 x 0.90 x 0.22mm
Hand Count	3
Country Of Manufacture	(not set)
Notes	Other data: balance staff: U2613 stem: W2644 mainspring / battery: Zf502, 1.10 x 9.5 x 0.11 x 290mm balance staff ronda: 4763 (10,5) stem ronda: 1406 (11,5) Mainspring: 1.100 x 9.000 x 0.115 x 280.000 mm Ranfft mentioned about this caliber: There are variants with this quantity of jewels 17, 21
Signature	1) ca. 1965: FB 1152, Dugena 1144, 17 Jewels; Kif Satellor (Förster 1152, Dugena 1144) 2) ca. 1960: FB 196, FB, 25 Jewels; Ruby-Shock (Förster 196)

Metadata

Created At	Sep 15, 2023
Updated At	Apr 23, 2025, 11:32:45 PM