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The Nivada Grenchen Antarctic 35 mm Eggshell White Luminova is reference 35004M41: a 35 mm hand-wound watch with a Landeron 21 movement, eggshell-white luminous dial, and no date. Nivada Grenchen’s official listing displays a price of $945 but also marks the watch “Sold Out” alongside “SHIPPING EARLY OCTOBER,” wording that does not confirm current availability or a restock date. Check the live listing before buying.
What are the specifications of the Eggshell White Luminova?
Nivada Grenchen lists the watch as ANTARCTIC EGGSHELL WHITE LUMINOVA – 35mm, reference 35004M41. Its product page describes the case as 316L stainless steel and gives these specifications:
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- Case: 35 mm diameter and 10.1 mm thick, with polished and satin-brushed finishing.
- Movement: hand-wound mechanical Landeron 21.
- Dial and hands: eggshell white, with luminous arrowhead indexes and polished hands. The brand identifies the luminous material as Super-LumiNova.
- Display: three hands, no date.
- Crystal: domed sapphire.
- Caseback: closed, with a Penguin engraving and gold medallion.
- Power reserve: stated as 36 hours by Nivada Grenchen.
- Water resistance: stated as 5 ATM by Nivada Grenchen.
These are the manufacturer’s published specifications, not independent test results. The listing does not establish a lume grade, measured accuracy, or magnetic-resistance rating. See Nivada Grenchen’s exact-model listing.
What do the price and stock wording mean?
The official product page displays $945 and “Sold Out,” while also showing “SHIPPING EARLY OCTOBER.” Those statements do not confirm that an order can be placed now or identify a guaranteed restock date. Because price and inventory can change, check the live product page for the current status before making a purchase.
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- Led electronic movement and high-quality electronic components
- Waterresistant for daily use: Daily Waterproof, but not suitable for swimming or bathing
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- What Is In The Package: Men's Stainless Steel Band Wrist Watch x 1.
Is the eggshell dial different from the white dial?
Nivada Grenchen’s Antarctic 35 mm family materials identify black, white, and eggshell dial options. The exact-model page describes this version’s dial as eggshell white and gives it luminous indexes. The available official material does not establish a technical or price difference between the eggshell and white variants, so the distinction supported here is the named dial color—not a difference in movement or performance. View the Antarctic collection.
The exact-model selector shows multiple strap and bracelet configurations, including racing straps, leather, a flat-link bracelet, a beads-of-rice bracelet, and a rubber option. Check the live selector for the configurations currently offered.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What strap width fits the Antarctic 35 mm?
An 18 mm strap is a useful search lead, not a confirmed fit guarantee for reference 35004M41. The official White Luminova 35 mm sibling listing states “Leather strap or steel bracelet, 18 mm,” and the family’s technical material is consistent with that configuration. However, the exact-model page does not establish the attachment details needed to guarantee that any particular 18 mm strap will fit. Confirm the lug width and attachment style for the chosen configuration before ordering. Check the sibling White Luminova listing.
What is the Operation Deep Freeze connection?
Nivada Grenchen says the Eggshell White model “pays homage to the very first Antarctic watches worn by explorers during the U.S. Navy’s Operation Deep Freeze in 1955–56,” and describes the design as faithful to its original 1950s design. This is the brand’s historical framing; the product information cited here does not independently verify expedition use. The brand also presents an Antarctic reference book by Aashdin K. Billmoria as a collector resource. Read Nivada Grenchen’s Antarctic page.
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.




