SKU: 77147077479

HKM-685139 Twosome Automatic Moon Phase Tourbillon Men's Watch, 41mm Titanium Waterproof

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Description

HKM-685139 Twosome Automatic Moon Phase Tourbillon Men's Watch, 41mm Titanium WaterproofHKM 685139 Twosome Automatic Moon Phase Tourbillon Where mechanical artistry meets astronomical precision. This timepiece integrates a mesmerizing tourbillon and an elegant moon phase display within a lightweight titanium case engineered for the modern connoisseur who values both haute horology and everyday wearability. Tourbillon Escapement Rotating cage counteracts gravitational errors for superior chronometric stability. Moon Phase Indicator Tracks

HKM-685139 Twosome Automatic Moon Phase Tourbillon

Where mechanical artistry meets astronomical precision. This timepiece integrates a mesmerizing tourbillon and an elegant moon phase display within a lightweight titanium case — engineered for the modern connoisseur who values both haute horology and everyday wearability.

Tourbillon Escapement

Rotating cage counteracts gravitational errors for superior chronometric stability.

Moon Phase Indicator

Tracks the lunar cycle with a beautifully detailed disc display.

Titanium Case

Ultra-light yet remarkably strong, 41 mm diameter for a bold wrist presence.

Exhibition Caseback

Transparent sapphire back reveals the intricate automatic movement.

30M Water Resistance

Resists splashes and brief immersion, built for daily confidence.

Automatic Movement

Self-winding caliber with reliable Taiwanese craftsmanship.

Refined Engineering, Uncompromising Detail

Tourbillon: The Heart of Precision

The tourbillon carriage rotates continuously to average out positional errors caused by gravity. Mounted within a lightweight titanium cage, this mechanism delivers a captivating visual ballet while improving rate stability. The intricate finishing on the bridge and escapement reflects the dedication invested in this movement.

Moon Phase: A Celestial Companion

At a glance, observe the current phase of the moon with a dedicated sub-dial. The polished disc, decorated with stars and a golden moon, advances discreetly every 24 hours. Accurate to within one day every 122 years, this complication marries romanticism with mechanical rigor, providing a functional and poetic addition to the dial.

Titanium Case: Strength Without Weight

Crafted from Grade 5 titanium, the 41 mm (1.61 in) case offers exceptional corrosion resistance and a featherlight feel on the wrist. At just 11 mm (0.43 in) thick, it slips comfortably under a cuff. The subtle brushed and polished surfaces reflect light with refined sophistication, while the hypoallergenic properties of titanium make it suitable for sensitive skin.

Exhibition Caseback: A Window to the Movement

The transparent caseback, fitted with a hardened mineral crystal, offers an unobstructed view of the automatic winding rotor, blued screws, and perlage finishing. Observing the tourbillon in motion from the reverse side becomes a private pleasure each time you take the watch off.

Water Resistance & Daily Durability

Rated at 30 meters (98 feet), the watch withstands accidental splashes, rain, and brief immersion. The screw-down crown and gasketed case construction ensure reliable protection. While not designed for swimming or diving, it handles the rigors of daily life with quiet resilience.

Bracelet & Clasp: Secure Comfort

A robust stainless steel bracelet (Seiko-sourced) integrates seamlessly with the titanium case, offering durability and a classic aesthetic. The folding buckle clasp with safety lock ensures the watch stays firmly in place, while the micro-adjustment feature allows a tailored fit for wrists of various sizes.

Technical Specifications

Movement Type
Automatic Mechanical (Taiwan caliber)
Complications
Tourbillon, Moon Phase
Case Diameter
1.61 in (41 mm)
Case Thickness
0.43 in (11 mm)
Case Material
Titanium
Water Resistance
30M (98 ft)
Crown Type
Standard Push-Pull
Caseback
Transparent Exhibition
Crystal
Hardened Mirror Film
Bracelet Material
Stainless Steel (Seiko)
Clasp Type
Fold-Over Buckle with Safety
Dial Shape
Round

Why the HKM-685139 Stands Apart

Tourbillon at Accessible Value: Traditional tourbillon timepieces often command a significant premium. This model integrates a beautifully finished tourbillon without compromising on quality, making haute horology attainable.
Lightweight Daily Wear: Titanium reduces wrist fatigue dramatically compared to stainless steel. You enjoy the presence of a 41 mm watch with the comfort of a much smaller piece.
Dual Complications in Harmony: The tourbillon and moon phase are arranged to balance the dial aesthetically, preventing clutter while offering rich visual interest from multiple angles.
Scratch-Resistant Crystal: The mirror film surface offers excellent clarity and guards against everyday scratches, maintaining the dial's legibility for years.

Frequently Asked Questions

How do I set the moon phase correctly?
Pull the crown to the second position and rotate clockwise to advance the moon disc. Align the full moon with the center of the display window, then consult a lunar calendar to set the current phase. The moon phase advances once every 24 hours; minor adjustments every few months keep it accurate.
Is the tourbillon visible during normal wear?
Yes. The dial cut-out at 6 o'clock frames the tourbillon carriage, allowing you to appreciate its rotation at a glance. The exhibition caseback further reveals the mechanism from behind.
Can I swim or shower with this watch?
The 30M (98 ft) water resistance rating is suitable for splashes, rain, and hand washing. It is not recommended for swimming, diving, or prolonged submersion. Avoid operating the crown when the watch is wet.
What type of movement does it use?
The watch houses an automatic mechanical movement produced in Taiwan, featuring 21 jewels and a frequency of 21,600 vibrations per hour. The self-winding mechanism builds power reserve through wrist motion, with a manual winding option available via the crown.
How should I care for the titanium case?
Titanium is highly resistant to corrosion but can develop surface scratches over time. Wipe the case with a soft microfiber cloth after wear. Avoid contact with abrasive surfaces. A gentle soap solution and soft brush can be used for occasional deeper cleaning.

Purchase with Confidence

Free Shipping on All Orders

Enjoy complimentary standard delivery on every purchase, with secure packaging and tracking.

180 Days Purchase Protection

Your order is safeguarded against defects and shipping damage for a full six months.

30-Day Money-Back Guarantee

Not completely satisfied? Return the watch in original condition within 30 days for a full refund.

24 Months Warranty Service

Comprehensive coverage against manufacturing defects, with dedicated support for two years.

HKM-685139 Twosome Automatic Moon Phase Tourbillon — A fusion of precision engineering and timeless design.



Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 77147077479

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SDkra
San Leandro, US
★★★★★ 5
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Dog loves it! Works great , dog carries around and has not destroyed it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2026
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Gus
Boise, US
★★★★★ 5
Heavy chewer approved.
Style: Ball, Size: Medium (Pack of 1)
My pomsky will destroy a toy in minutes. Ropes, and the "indestructible" nylon type stuffs are no match for my furry shark. This ball has stood up to him like David. He loves the crunch and it is so much more tolerable than a squeaker. These will be a staple in his toy box - Chuckit toys are really the most durable dog toys I have found in three years.
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Reviewed in the United States on April 26, 2026
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Gold Coast
Louisville, US
★★★★★ 5
Fun Ball
Style: Ball, Size: Medium (Pack of 2)
Great new ball for our pup. He loves the sound of the crunch!
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Reviewed in the United States on May 25, 2026
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Cheryl
Chelsea, US
★★★★★ 5
Durability
Style: Ball, Size: Medium (Pack of 2)
My dog loves these balls!
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Reviewed in the United States on May 25, 2026
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ShainaKatt
Los Angeles, US
★★★★★ 5
Dogs love them
Style: Ball, Size: Medium (Pack of 2)
Our dogs love these. What’s great is that you can add more plastic (like from water bottles) if the plastic starts to fall out from the center. If you have a chewer, though, these won’t last you long. Our shepherd mix loves these and then starts to pull the rubber apart the more she plays with it. Our other dogs treat it normally, though, and those ones last forever. They also get some decent height when bounced, and they make a unique whistling noise when thrown.
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