Hypoallergenic · Nickel-free · Sized for young wearers Flat-rate $15 U.S. shipping · 7–12 business days Every piece arrives in a keepsake gift box — complimentary
Baby Miss You

Unworn Tank Must, Small Stainless Steel, 29.5mm x 22mm, Ref# WSTA0042, box and papers

$359.00

Hypoallergenic Nickel-free Keepsake boxed
Flat-rate $15 U.S. shipping Ships in a velvet keepsake box Free returns within 30 days of delivery Arrives Sep 14 – Sep 23

Introducing unworn Small watch, the Tank Must Ref# WSTA0042 embodies the brand’s commitment to timeless elegance and minimalist design. Drawing inspiration from the original Tank watch introduced in 1917, this model maintains the iconic rectangular silhouette and clean lines that have become synonymous with watchmaking heritage. Constructed from polished stainless steel, the case measures 29.5mm x 22mm with a thickness of 6.6 mm, offering a balanced presence on the wrist. This model is part of Tank Must collection, which reimagines the classic Tank design with modern updates while maintaining its iconic features. The Silvered dial with Black printed Roman numeral hour markers complemented by blued-steel sword-shaped hands. In the center is a finely printed black minute/seconds scale with bright markers every five minutes, adding charm and practical functionality. A beaded crown set with a blue synthetic cabochon-shaped spinel adds a touch of sophistication, a signature detail in design language. Powered by a high-autonomy quartz movement, the watch offers reliable timekeeping with minimal maintenance. The watch is paired with an interchangeable black grained calfskin strap, secured by a stainless steel ardillon buckle, ensuring both comfort and style.Finished with a scratch-resistant sapphire crystal, solid case back, and rated water-resistant up to 30 meters (100 feet), the Santos WSTA0042 is a sophisticated companion built for both everyday wear and formal occasions.

  • Model: Tank Must
  • Reference: WSTA0042
  • Diameter: 29.5mm x 22mm
  • Case material: Stainless Steel
  • Dial color: Silvered
  • Bezel Type: Fixed
  • Bezel Color: Silver
  • Bezel Material: Stainless Steel
  • Crystal: Scratch-resistant Sapphire Crystal
  • Movement: Quartz movement
  • Bracelet Type: Strap
  • Bracelet Material: Black grained calfskin leather
  • Clasp: Stainless Steel ardillon buckle
  • Functions: Centre hours, minutes
  • Water resistance: Up to a 30m/100ft (3 ATM)
  • Warranty: Balance of 2 years International Warranty

The watch is unworn and comes complete with full set of original accessories, such as watch box, warranty card dated recently, booklets and manuals.

HypoallergenicNickel-free and lead-free, gentle on sensitive skin
Style no.OP-118270
Baby (0–24 mo)Bracelets 4.0–4.7 in · Necklaces 10–12 in · Earrings 8–11 mm hoops
Child (2–12 yr)Bracelets 4.7–6.0 in · Necklaces 12–14 in · Rings sizes 2–4
TeenBracelets 6.0–6.5 in · Necklaces 14–16 in · Rings sizes 4–7

Between sizes? We recommend sizing up — a little room to grow keeps a keepsake wearable longer.

U.S. shipping is a flat $15 per order. Every order ships from our fulfillment warehouse in Hong Kong — prepared within 1–3 business days, then delivered in 7–12 business days with tracking — estimated delivery Sep 14 – Sep 23.

Unused and unworn items may be returned within 30 days of delivery. We provide a prepaid U.S. return label and charge no restocking fee. See our Returns & Refunds policy for the earrings hygiene exception and instructions.

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$15 flat-rate U.S. shipping — tracked door to door, 7–12 business days. Free 30-day U.S. returns — prepaid label and no restocking fee. Hypoallergenic promise — nickel-free 14K gold & sterling silver.