Legacy Machine Perpetual Evo Blue

he Legacy Machine Perpetual EVO Blue is MB&F’s most resilient interpretation of its groundbreaking perpetual calendar. Crafted in a shock-resistant titanium EVO case and paired with an integrated rubber strap, it brings everyday wearability to one of contemporary watchmaking’s most complex mechanical engines. At its heart lies Stephen McDonnell’s fully integrated perpetual calendar, featuring a mechanical processor and inbuilt safety system, crowned by MB&F’s signature oversized suspended balance wheel.

Legacy Machine Perpetual EVO Blue

Model
Legacy Machine Perpetual EVO

Reference
07.TR.BU

Case
Titanium case with EVO architecture
Diameter: 44 mm
Height: 17.15 mm
Water resistance: 8 ATM / 80 metres

Movement
Fully integrated perpetual calendar movement developed for MB&F by Stephen McDonnell
Dial-side complication with mechanical processor system architecture
Inbuilt safety mechanism preventing incorrect calendar adjustments
Manual winding with twin mainspring barrels
Oversized bespoke 14 mm balance wheel suspended above the dial
Hand-finished throughout

Power Reserve
Approximately 72 hours

Components
581 components
41 jewels

Functions
Hours and minutes
Day
Date
Month
Retrograde leap year indication
Power reserve indicator

Dial
Icy blue dial-plate, introduced in 2024, replacing the earlier green CVD edition

Strap
Integrated rubber strap designed specifically for the EVO case, offering enhanced comfort and wearability

Notes
The Legacy Machine Perpetual EVO Blue represents the most wearable evolution of MB&F’s perpetual calendar concept, combining extreme mechanical complexity with a shock-resistant, water-resistant case engineered for everyday use.