Let Down Key Felsa 692N seconds and alarm hands for

seconds and alarm hands for a 609

14 x 1270 (50")

adjustable auto off and backlit display

used with Hermle (FHS) 340

OM-088NS0906 (replacement for 0880906N)

Let Down Key Felsa 692N seconds and alarm hands forLet Down Key this tool is a Swiss made Bergeon tool designed for the true craftsman. Letdown Key is a specially designed key for disarming and arming (winding) clock mainsprings. Let Down Key kit includes a removable metal handle, 24 numbered chucks with winding squares from number 000 to number 21 (1. 75 to 7. 50 mm). The complete range of possibilities you as a clockmaker will encounter, as well as a special winding chuck for alarm clocks, all well