Tempo Libero GN172 is an artist-designed Swatch created by influential Italian artist and designer Bruno Munari and released in 1997 as part of the Swatch Artist Special program.

The watch uses Swatch’s classic Gent proportions, with a plastic case measuring 34 mm / 1.34 in in diameter, approximately 39.2 mm / 1.54 in from lug to lug, and 8.75 mm / 0.34 in thick. It is powered by a Swiss quartz movement and was originally rated to 3 bar / 30 m water resistance.

Its defining feature is unlike that of almost any conventional Swatch. Above the normal watch crystal is a transparent cavity containing 12 small discs bearing the hour numerals. Rather than remaining fixed around the dial, these discs move freely as the wearer moves the wrist, constantly rearranging the familiar structure of the clock face.

Munari designed the watch at the age of 90, reportedly at the request of Alessandro Mendini, then involved with Swatch’s artistic direction. Contemporary auction documentation describes it as one of Munari’s final works and explains the concept as a playful response to the increasingly frantic and relentless measurement of time. The wandering numerals suggest that knowing the exact time may be less important than being able to regard one’s time as genuinely tempo libero— free time.

Artist: Bruno Munari
Brand: Swatch
Title: Tempo Libero
Model: Gent Artist Special
Reference: GN172
Format: Artist-designed wristwatch / collectible Swatch Art Special
Material: Plastic case, plastic crystal, plastic strap
Case size: 34 mm / 1.34 in diameter
Case height: 39.2 mm / 1.54 in
Case thickness: 8.75 mm / 0.34 in
Year: 1997
Collection: Swatch Artist Special
Edition: Limited Artist Special / individually numbered examples documented; total edition size not reliably verified
Numbering: Individually numbered examples documented
Signature: Not hand-signed
Movement: Swiss quartz
Water resistance: Originally rated 3 bar / 30 m
Case color: Blue
Dial: Blue
Strap: Blue plastic strap
Special feature: 12 loose numeral discs moving freely in a transparent chamber above the dial
Concept: A playful interpretation of time, movement, and “free time”
Designer: Bruno Munari
Country of manufacture: Switzerland
Original presentation: Dedicated Swatch plastic presentation box with printed cardboard sleeve and instructions, where retained
Set includes: 1 Bruno Munari x Swatch Tempo Libero GN172 wristwatch with original packaging