Pupil Ultralight 14G
$ 9,200
Pupil Ultralight encapsulates the magnificent artistic essence of the ancient Shu civilization from three millennia ago. Forged through cutting-edge material innovation and structural breakthroughs, it boasts an exceptionally slim and lightweight profile. Embodying a vision that spans millennia and perceives the order of all creation, it carries forward the profound spiritual philosophy of ancient civilization. The majestic aura of this age-old culture thus flows ceaselessly on the wrist.

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The awe-inspiring power of the ancientShu civilization has turned the brand’s exploratory gaze toward the mysterious Sanxingdui. 

As the most iconic cultural symbols of Sanxingdui,the magnificently 

shaped, surreal“Protruding Eyes” stand as artistic treasures forgedby the creativity of the ancient Shu people.











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This timepiece incorporates the distinctive geometric wisdom of the ancient Shu civilization into its layout design. 

Drawing inspiration from the rhomboid geometric form of the "Bronze Diamond Eye"

, it extracts their acute and obtuse angles as the core logical basis for the watch’s mechanical layout. Through the exquisite arrangement of movement components,

a visual rhythm of interlaced obtuse and acute angles is formed along the left-right direction of the dial, interpreting an Eastern geometric cadence that

 combines a sense of power and balance within the limited space of the wrist.















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The form of the "Bronze Diamond Eye" is transformed into 

the design of the hour and minute hands.

 As time progresses, the hour and minute hands glide within the meteorite

 chapter ring, drawing and responding to each other. 

Amid constant disassembly and reorganization, 

the rhombic "Bronze Eye" emerges and fades repeatedly. 

Each intersection of the hands is unique—it engraves not only the marks of time,

but also the total sum of "disorder" 

continuously accumulated in the flow of time: "entropy".







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This watch features Behrens' iconic Hu-shaped case. 

A groundbreaking integrated design unites the movement and case. 

Crafted from Grade 5 titanium alloy, it weighs approximately 14g without the strap. Lightweight yet robust, it also delivers exceptional corrosion resistance.









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It is equipped with the brand’s all-new self-developed Cal.BM09 manual-winding movement. The upper left corner of the dial is equipped with a power reserve display function, whose pointer design is also inspired by the "Bronze Diamond Eye". The hour hand at the lower right corner of the dial adopts an instantaneous jump display method—when the minute hand completes a full circle, the hour hand immediately jumps to the next hour.

















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The lower left corner of the dial is equipped with a day-night display function,

taking the "Sun and Immortal Birds Gold Ornament" as the symbolic image of the "sun" representing daytime. As time flows, this ancient symbol operates slowly on the dial, recreating the ancient Shu 

people’s worldview of sunrise and sunset, and the cycle of light.

 Amid the precise rhythm of the mechanism, it awakens the echo of faith 

that has spanned thousands of years.










Cal. BM09 manufacture manual winding                           

Case: Grade 5 Titanium 

Dimensions: 34 × 39.6 mm

Water Resistance: 30 m

Buckle: Grade 5 Titanium buckle


Case Back: Fully Transparent Caseback                

Strap: Fluororubber

Crystal: Anti-reflective sapphire

Functions: Jumping Hours, Minutes, Day-Night, Power Reserve


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