O101 | Jump Date Watch | 40.5 mm | Swiss Made
O101 | Jump Date Watch | 40.5 mm | Swiss Made
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O101 | Jump Date Watch | 40.5 mm
Made in Switzerland (Swiss Made).
Product details
- Case diameter: 40.5 mm
- Material: Stainless steel
- Movement: ETA F07.111 quartz movement
- Crystal: Scratch-resistant sapphire crystal
- Design: Date display with a ring of 31 apertures
- Product details: Winner of the 2009 Red Dot Design Award
2-year warranty
See current shipping charges at checkout and in our shipping policy. Shipping policy
Secure payment
14-day returns; see the current return policy. Return policy
SPECIFICATIONS
SPECIFICATIONS
Case Material 316L Stainless Steel
Case Size 40.5 mm
Case Thickness 7.3 mm
Strap Material Black Leather
Strap Width 21 mm
Movement ETA F07.111 Quartz Movement
Glass Type Sapphire Crystal(Scratch-resistant)
Water Resistance 3 ATM
Warranty 2 Years
Product Code O101
Made in Switzerland (Swiss Made).
SHIPPING INFORMATION
SHIPPING INFORMATION
Orders are usually processed within 1–3 business days. Delivery estimates start from dispatch and vary by destination. Final shipping charges are shown at checkout. View shipping policy.
Clarity. Precision. Value.
Bauhaus-inspired design with clear, functional details.
Clearly structured date display
Quartz timekeeping
Highly durable for everyday use
Considered details for everyday wear
Distinctive a.b.art design
A balance of form and function
Winner of the 2009 Red Dot Design Award
The O101 was recognized with the Red Dot Design Award in 2009 for its distinctive approach to watch design.
At the heart of the design is a simple idea:
Why hide the date inside a small window?
Instead, the O101 turns the entire month into part of the dial.
31 apertures form a precise circular structure, while a moving indicator marks the current date.
The calendar is no longer an addition to the watch.
It becomes part of the architecture of the dial.
Not Just a Date. A Clear Structure.
A conventional date window shows one isolated number.
The O101 shows the entire month at once.
31 precisely positioned apertures form a complete calendar around the dial.The date indicator advances day by day, making the passage of time visible within a clear, ordered structure.
You don't just read today's date.
You see where today belongs in the month.
This distinctive Jump Date concept has been part of a.b.art's design language since 1992.
Why 31 Holes?
31 days. 31 positions. One complete month.
Each aperture represents one day of the month.
Together they transform the calendar into a visual structure — balanced around the dial rather than confined to a small date window.
It is functional information reduced to its simplest geometric form.
ETA F07.111 Movement
Swiss Made O101.
The O101 is made in Switzerland and uses an ETA F07.111 quartz movement for everyday timekeeping.
A stainless steel case and scratch-resistant sapphire crystal complete its structured design.
ETA F07.111
Quartz Movement
SAPPHIRE CRYSTAL
Scratch-resistant clarity
Sapphire Crystal — Made for Everyday Wear
The O101 is protected by scratch-resistant sapphire crystal — one of the hardest transparent materials used in watchmaking.
It helps preserve the clean, highly detailed dial through years of everyday wear.
• Highly scratch-resistant
• Exceptional optical clarity
• Designed for long-term wear
Balanced Proportions.
40.5 mm × 7.3 mm
The 40.5 mm case gives the O101 an open, architectural presence on the wrist, while the restrained case height keeps the overall profile clean and balanced.
Designed to make the distinctive Jump Date dial easy to read without feeling oversized.
40.5 mm Case Diameter
7.3 mm Case Height
21 mm Strap Width
Designed to Be Different.
Easy to Wear Every Day.
The unusual calendar gives the O101 its identity.
Everything else remains deliberately restrained — silver, white and black, balanced into a watch that works naturally from business to everyday wear.
Red Dot Design Award 2009
An Award-Winning Design
In 2009, the O101 was recognized with the Red Dot Design Award for its distinctive approach to watch design.
Its signature 31-aperture date display transforms a functional calendar into a defining part of the dial — a design that remains unmistakably a.b.art.
Functional Watch Design
a.b.art focuses on clear layouts and functional watch design.
Museum Shop Selection
Selected a.b.art watch designs have also been carried by leading museum shops in the United States.
MoMA New York · SFMOMA · Museum of Contemporary Art Chicago
German Bauhaus Design Since 1991
a.b.art was founded in Freiburg, Germany, in 1991, inspired by the clarity and functional philosophy of Bauhaus design.
In 2003, the brand moved to Biel/Bienne, Switzerland, marking an important chapter in its development.
Today, a.b.art continues to create watches defined by clarity, balance, and timeless Bauhaus aesthetics.
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2-Year Warranty On All Watches
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Swiss Made
