【Japan】Harry Winston, Hublot… 4 Top Diamond Watches

Editor’s Note

This article explores the evolution of the jewelry watch, from its origins as a flamboyant status symbol for nobility to its modern role as the ultimate accessory for evening elegance. It reminds us that beyond mere timekeeping, a watch can be a radiant piece of personal expression.

タサキ|バランス WAC 0121
The Joy of Shining at Night

If we think of watches as accessories, their ultimate form is the jewelry watch. It is a watch for enjoying the night, sparkling amidst cocktail lights.
Looking back to the era of pocket watches, most were hobby items for royalty and nobility, who competed in taste with rivals through flamboyant designs, enamel paintings, and gem settings.
This sensibility carries over to modern jewelry watches. Fundamentally, a watch does not need to sparkle. However, if you consider the watch as something to “stage a special time,” nothing is more fitting for the occasion than a brilliantly shining jewelry watch.
Moreover, you can appreciate exceptional craftsmanship. A watch case is three-dimensional, and the dial integrates various elements. Setting variously cut gemstones into it is truly a divine skill. In other words, a jewelry watch allows you to enjoy both superb watchmaking and jewelry craftsmanship.
Of course, such watches are not for everyday wear. Rather, we hope you use them as motivation to actively seek out places where such watches are fitting. A jewelry watch shining brilliantly on your wrist creates communication with those around you and fosters new connections. That is its very role.

ダイヤモンドウォッチ4選
1. Harry Winston | HW Ocean Date Moonphase Automatic 36mm

True to the name “King of Diamonds,” over 1,000 diamonds are set seamlessly on the case, dial, and bracelet. It represents the pinnacle of jewelry craftsmanship. Limited to 10 pieces worldwide.
Automatic movement, 18K rose gold case, 36mm diameter. Available exclusively at boutiques. Price upon request.

“The precise setting technique is particularly showcased on the dial. To match the asymmetrical dial display housing the time, calendar, and moonphase, baguette-cut diamonds of various sizes are densely paved without gaps, emitting a dazzling brilliance. The total carat weight of diamonds used in the watch is approximately 25.81ct.”
2. Tasaki | Balance WAC 0121

Incorporates the design code of the popular jewelry collection “Balance,” which combines delicate circles and straight lines, into a watch. The dial material is aventurine with sparkling inclusions, and the bezel is set with diamonds. Its delicate sculptural beauty adds allure to the wrist.

ハリー・ウィンストン|HW オーシャン・デイト ムーンフェイズ オートマティック 36mm
自動巻き、18KRGケース、径36mm。直営店サロン限定。価格は要問い合わせ(ハリー・ウィンストン/ハリー・ウィンストン クライアントインフォメーション TEL:0120-346-376)

Automatic movement, stainless steel case, 33mm diameter. ¥2,860,000.

3. Piaget | Altiplano Growing Weave

An ultra-thin tourbillon with a case thickness of 7.39mm. The case is set with emeralds and diamonds, and the dial features marquetry decoration using malachite and chrysoprase gemstones, along with diamonds. It is the culmination of beauty and technique. Limited to 8 pieces worldwide.
Manual winding, 18K white gold case, 41mm diameter. ¥70,840,000.

4. Hublot | Big Bang Unico Titanium Jewelry

The case, bezel, and dial of the iconic chronograph are set with 436 diamonds (approx. 3.8ct). It brings out new charm in a popular model. The ability to express the difficult-to-work titanium material so beautifully also showcases Hublot’s prowess.

ピアジェ|アルティプラノ グローイング ウィーブ
手巻き、18KWGケース、径41mm。¥70,840,000(ピアジェ/ピアジェ コンタクトセンター TEL:0120-73-1874)

Automatic movement, titanium case, 42mm diameter. ¥10,549,000.

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⏰ Published on: December 13, 2025