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Showroom Exclusive
MB&F

Legacy Machine Perpetual

03.SL.S 44 mm
View Specs
Authorized Luxury Retailer
Rolex green flag outside the Watches of Switzerland store with cream columns and large windows.

Renowned for expertise in luxury watch retail, Watches of Switzerland embodies the highest standards of craftsmanship and service. With a history dating back to the 1700s, the company offers a curated selection of premier timepieces and commits to excellence in customer experience grounded in a legacy of trust and industry proficiency.

Authorized Luxury Retailer

Authorized Luxury Retailer

We are an authorized retailer for over 80 luxury watch brands.

MB&F Legacy Machine Perpetual - (Ref. 03.SL.S) Product Details

Introducing the MB&F Legacy Machine Perpetual 03.SL. S with a 44 mm diameter stainless steel case and a thickness of 17.5 mm. Developed by Stephen McDonnell, the movement boasts a fully integrated perpetual calendar, a dial-side complication, and a mechanica l processor system with a built-in safety mechanism. Its manual winding is powered by double mainspring barrels and features a bespo ke 14 mm balance wheel with visible traditional regulating screws. The dial flaunts an openworked salmon face, while the caseback is encased in sapphire crystal. The strap is expertly crafted with hand-stitched alligator leather and a stainless steel folding buckl e, completing the perfect blend of luxury and functionality.

General

Condition

New

Brand

MB&F

Reference

03.SL.S

Year

SPRING/SUMMER 2023

Family

Legacy Machines

Product Code

18520026

Power Reserve

72 Hours Approx

Watch Display

Analogue

Water Resistance

30 Metres

Features

Date display
Deployment clasp
Manual winding
Waterproof

Case

Case Size

44 mm

Case Depth

17.5 mm

Case Shape

Round

Case Material

Steel

Bezel Color

Grey

Crystal

Sapphire

Dial

Dial Color

Pink

Dial Texture

Skeleton

Dial Markers

Roman

Stone Set

No

Movement

Type

Hand Wound

Bracelet

In-house Movement

Yes

Type

Strap

Bracelet Material

Alligator

Stone Set

No

Buckle/Clasp

Deployment