ANTARCTIC EROTIC - EGGSHELL
320691M04
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The Antarctic Erotic Eggshell is a 38 mm Swiss hand-wound watch with a domed eggshell dial in a matt finish, shiny silver applied indexes and a flamed blue seconds hand. Eggshell is neither white nor beige: the matt surface absorbs light rather than reflecting it, so the dial looks warmer by candlelight and crisper in daylight, at ease with a suit or on a weekend.
The secret sits on the back. Wind the crown and, through the flat sapphire caseback, a penguin automaton comes to life, animated by the winding motion itself through a cam system integrated into the modified Soprod P054 movement. Stop winding and it stops. The penguin emblem, patented by Nivada Grenchen in 1965, is redrawn here from the archival patent.
The 316L stainless steel case, shiny and brushed, keeps the 38 mm proportions of the 1950s Antarctic: 12.45 mm thick and 45 mm lug to lug, with a signed screw-down crown and 10 ATM water resistance. Each Antarctic Erotic is delivered in a faux-fur watch roll with a matching travel pouch. See the six dials of the Antarctic Erotic collection or the warmer Antarctic Erotic Salmon.
| Case | 38 mm, 316L stainless steel, shiny and brushed |
|---|---|
| Thickness / lug to lug | 12.45 mm / 45 mm |
| Lug width | 20 mm |
| Dial | Domed eggshell, matt effect, shiny silver applied indexes, flamed blue seconds hand |
| Crystal | Double-domed sapphire |
| Caseback | 316L stainless steel, open, flat see-through sapphire |
| Crown | Signed, screw-down |
| Movement | Modified Soprod P054, hand-wound, animated mechanism |
| Water resistance | 10 ATM / 100 m |
| Strap | Leather strap or stainless steel bracelet, 20x16 mm |
| Origin | Swiss Made |
A distinctive dial
Among watch dials, eggshell is rare. Not white, not beige somewhere between the two, with a domed, matte surface that absorbs light rather than reflecting it. This is a dial that looks different at every hour of the day: warmer in candlelight, crisper in sunlight, almost luminous at dusk. It pairs effortlessly with formal dress or weekend wear, and it ages well, the kind of dial that looks better after five years on the wrist than the day it arrived.
The complication you keep to yourself
Flip the watch. Wind the crown. Through the flat sapphire caseback, a miniature penguin automaton comes to life animated not by a battery or a separate motor, but by the same winding motion that powers the Soprod P054 hand-wound movement itself. A cam system integrated into the modified movement translates rotary winding into vertical animation. Stop winding, the penguin stops. It is a private mechanical spectacle, entirely invisible from the front, existing only
Built to be worn
The 38mm 316L stainless steel case is 12.45mm thick, with 45mm lug-to-lug a size that sits comfortably on most wrists without overwhelming. The screw-down crown brings water resistance to 10 ATM / 100 metres. A double-domed sapphire crystal offers scratch resistance and optical clarity. The alternating polished and brushed case finishing means the watch catches light without being flashy.
Nine ways to wear it
Available on nine strap and bracelet configurations: beads-of-rice stainless steel bracelet, flat-link stainless steel bracelet, black racing perforated leather, brown racing perforated leather, smooth black leather, smooth brown leather, black leather with white stitching, brown leather with white stitching, and black rubber tropic. The 20mm standard lug width means any third-party strap fits without adapters.
| Case Size/ Diameter | 38 mm |
|---|---|
| Caseback | 316L Stainless steel, Open Caseback with See-through Flat Sapphire Glass |
| Case Thickness | 12.45mm |
| Lugs to lugs | 45mm |
| Dial | Eggshell Beige Dial |
| Case Material | Stainless Steel 316L |
| Case Finish | Shiny & Brushed |
| Case Lug Width | 20mm |
| Crown | Screw-down crown |
| Strap Width | 20x16mm |
| Movement | SOPROD P054 Manual Winding Movement |
| Glass | Double Domed Sapphire Glass |
| Water Resistance | 10 ATM |
