H-50 (ETA 2801-2 base)
Hamilton / ETA(base: ETA 2801-2)
Hamilton's modified ETA 2801-2 hand-wound movement. The key upgrade is an 80-hour power reserve (vs. the standard 42 hours), achieved by using a thinner mainspring running at a lower 3Hz beat rate. Thin profile makes it ideal for slim field watches.
21,600
vph (3.0Hz)
80h
Power Reserve
17
Jewels
25.6mm
Ø × 3.35mm
Hacking: Yes
Hand-winding: Yes



