Henrik Lund

Movement Engineer

Henrik dissects calibers — from ETA 2824 to Patek's 240. Former ETA engineer, he explains what makes a movement good, reliable, or overrated.

Articles by Henrik Lund (2)

Gyromax vs Glucydur: Balance Wheel Engineering Across Manufactures

Patek's Gyromax variable-inertia screws versus Rolex's Microstella on Glucydur: why these balance wheel architectures reveal opposing philosophies on thermal compensation, regulation precision, and serviceability.

April 24, 2026

zenith

Why Zenith El Primero Beats at 36,000vph: Physics and Trade-offs

The El Primero's 5Hz oscillation enables 1/10th-second precision, but at serious mechanical cost. An engineer's analysis of why Zenith chose 36,000vph and why so few followed.

April 20, 2026