A classic Indian mechanical timepiece from HMT, this vintage HMT Sona features the distinctive gold-tone case, stainless steel snap-on case back, and the reliable hand-wound HMT 0231 movement. With its compact vintage proportions and traditional mechanical character, the Sona remains a charming example of HMT’s era of accessible Indian watchmaking.
Collector’s Note
This particular Sona is offered as a modified vintage example. The watch retains its original HMT 0231 mechanical movement, while the dial is a redial and the leather strap is aftermarket. The case back carries the HMT emblem and reference 101006, along with the original period markings.
Specifications
* Brand: HMT (Hindustan Machine Tools)
* Model: Sona
* Reference: 101006
* Origin: Made in India
* Movement: HMT 0231
* Movement Type: Manual-winding mechanical
* Jewels: 17 Jewels
* Frequency: 18,000 vph
* Shock Protection: Para Shock
* Case: Gold-plated brass/alloy construction
* Case Back: Stainless steel
* Case Diameter: Approx. 35 mm excluding crown
* Lug-to-Lug: Approx. 42 mm
* Case Thickness: Approx. 9–10 mm
* Lug Width: 18 mm
* Strap: Aftermarket black textured leather
* Buckle: Gold-tone tang buckle
* Dial: Redial
Case Back Details
The stainless steel case back features the HMT emblem and factory [h] logo, with markings including:
STAINLESS STEEL BACK • INDIA • SHOCK RESISTANT • WATER RESISTANT
The reference 101006 corresponds to the HMT Sona series associated with the HMT 0231 movement.
Movement Highlights
The watch is powered by the original HMT 0231 hand-winding mechanical movement, a 17-jewel movement operating at 18,000 vibrations per hour and equipped with HMT’s Para Shock protection system.
Why You’ll Love It
* Classic vintage HMT character
* Original HMT 0231 mechanical movement
* Compact ~35 mm vintage case
* Gold-tone case with stainless steel back
* Distinctive HMT case-back markings
* A great addition to an Indian watchmaking collection
Important Note
This is a modified vintage watch. The movement is original HMT, while the dial is a redial and the leather strap is aftermarket. As with vintage mechanical watches, minor signs of age, wear and restoration may be present. Please review all product photographs carefully before purchase.
Shipping available within India only.
