Disclaimer: this watch belongs to a friend who was kind enough to let me photograph it. This article and video are not sponsored by Gronefeld, or any other entity.
Tags: 1941, bart, comblemine, constant force, dial, gphg award, Grönefeld, groneffeld, guilloche, horology, kari, kari voutilainen, netherlands, remontoire, tim, voutilainen, watchmaker, watchmaking