Roamer Medana MST Cal 436 437 470 471 Part 203 Intermediate wheel NOS

Ebauche Bettlach EB Cal 1612N Part 437 Rocking Bar Assembly NOS

EB Bettlach Cal 1553 Part 437 Rocking Bar NOS

Vintage No 459 For 10.25" 530 AMIDA Hairspring Mainspring Unused NOS 23-14

Roamer cal 413 414 430 436 437 470 471 Stingray Parts NOS, check description

EB Bettlach Cal 1469 Part 437 Rocking Bar NOS

RL Ronda Cal 5011, Part 437 Rocking Bar NOS

RL Ronda Cal 1413 Part 439 Rocking Bar Spring NOS