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Key takeaways
• Nivada Grenchen has launched the Antarctic Erotic 38mm, featuring a discreet animated penguin caseback mechanism driven by the watch’s winding action.
• The project combines horological tradition with modern conservation, as a portion of the project budget is dedicated to supporting penguin protection in Antarctica.
• The watch is available for a time-limited pre-order starting April 30th, with pricing from $1,569 and varying order windows based on the dial version.
Built on the classic Antarctic 38mm, the Antarctic Erotic introduces two key updates: a new set of dial executions, and a playful animated caseback revealed while winding, a discreet “after-hours” Easter egg reserved for the owner—a serious daily watch with a mischievous secret.
Beyond the wink, this project also supports real penguin conservation efforts, a natural extension of the Antarctic story.
Campaign & Reveal
The launch was preceded by three weeks of teaser videos, culminating in a final reveal film featuring Guillaume in an Antarctic storm. Lost in the whiteout, he discovers an igloo turned into a penguin club, and the moment he shows the Antarctic found in the snow, the “family” instantly recognizes him as one of theirs.
The tone is light, but the complication and the commitment are real: a portion of the project budget supports penguin protection in Antarctica.
The “Erotic” Code: Watchmaking Tradition, Nivada’s Way
Erotic watches are part of a long-standing watchmaking tradition: hidden scenes, automata, and cheeky details designed to be discovered rather than displayed. With the Antarctic Erotic, Nivada Grenchen embraces that heritage through a see-through caseback and a subtle animation brought to life as it winds, a discreet wink with just enough irreverence to feel the real Nivada Grenchen vibe.
Heritage & Purpose
The Antarctic name is rooted in the polar exploration era that shaped the model in the 1950s. Introduced in 1954, the Antarctic was the first watch to reach Antarctica and was tested during the U.S. Navy’s Operation Deep Freeze missions in 1955–1956. Penguins, highly prevalent in expedition imagery, became a natural symbol of that world and appeared on the casebacks of several vintage Nivada models before being carried through to recent Antarctic reissues. With the Antarctic Erotic, Nivada Grenchen gives that historic emblem a new playful twist while adding a real-world conservation dimension.
The Complication: Designed by “Dr. Coldwater”
The animated caseback mechanism was conceived and engineered by Dr. Coldwater, a codename that hides a highly respected independent watchmaker.
To tell the story, Nivada Grenchen introduces an interview series with an “anonymous penguin”: partially blurred, as if he insisted on remaining unrecognizable, he walks viewers through the idea, the engineering constraints, and the final execution, without ever breaking the project’s tone.
Key idea: the animation is driven by the most natural interaction with a mechanical watch, winding, and remains a private discovery, visible only when you flip the watch over.
Movement
At the heart of the watch: a modified hand-wound Soprod P054, adapted to drive the animated caseback mechanism while preserving daily-wear reliability and a clean display on the front.
The miniature automaton is connected to the winding system. The ratchet wheel has been remachined into a cam profile, converting the winding action into a vertical motion that drives the penguin.
Case & finishing
38mm “Spider Case” in stainless steel, alternating polished and brushed surfaces for contrast and vintage presence.
Strap & bracelet options
Depending on the version, the Antarctic Erotic can be paired with Beads of Rice bracelet, Flat Links bracelet, Mesh bracelet, black tropical rubber, or leather straps in black or brown, including perforated or contrast stitching variants.
Price & Availability
Retail price: from USD 1,569
Time-limited pre-order (not limited by quantity)
Pre-order opens: April 30th, 4pm Geneva Time
Salmon: 69-minute pre-order window.
Beige: 69-hour pre-order window.
Other versions: 6.9-day pre-order window.
Once the window closes, the pre-order is no longer available.
Technical specifications
Case: Stainless steel, 38mm (“Spider Case”)
Finishing: polished and brushed
Thickness: 12.45mm
Lug-to-lug: 45mm
Lug width: 20 mm
Crystal: single-curve lens
Water resistance: 10 ATM
Caseback: see-through and animated “Erotic” scene
Movement: modified Soprod P054 (hand-wound)
Functions: hours, minutes, seconds (date on Version F only)
The Antarctic Erotic stays true to the Antarctic formula: wearable, balanced, timeless, with a cheeky secret on the back and a real contribution to penguin conservation.
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