Glycine 6497-1 ETA Unitas Caliber

ETA Caliber 6497-1

Glycine 6497-1 ETA Unitas Caliber

Caliber Number6497-1
Movement TypeMechanical, manual-wind
Beat Rate
18,800 vph (21,600 vph for the 6497-2)
Lift Angle44 degrees
Power Reserve
46 hours
Shock SystemIncabloc
Hacking Seconds?
Winding DirectionUni-directional
FunctionsCentral hours; central minutes; small seconds subdial at 9:00
Country of ManufactureSwitzerland
Known Brands
Panerai, Victorinox Swiss Army, Glycine (Too many to list, add you watch in the comments below…)

The ETA caliber 6497-1 is a popular handwound watch movement that is based on a vintage Lépine pocket watch movement design. It beats at 18,000 vibrations per hour with 17 jewels.

Eta Caliber 6497 Front Back

Watch brands using the 6497-1:

The ETA 6497-1 is found in a wide variety of watches from luxury brands and microbrands. Many brands modify the movement or rebrand the caliber number to their own designation. The example pictured above was found in this Glycine KMU 48 (ref: 3788.99AT P-LB9). According to Glycine, the movement in their watch is nickel coated and the bridge features a chessboard decoration.

Other brands using the 6497-1 as an ebauche:

  • Alpina (AL-435 / AL-650)
  • Chronoswiss (C692)
  • Glycine
  • Hamilton
  • Maurice Lacroix ( ML-16 / ML-1 / ML-100)
  • Panerai OP XXIX
  • Victorinox Swiss Army

Note: This short list is of brands and calibers using the 6497-1. There are plenty of other examples, not listed, which use the 6497-2 or original Unitas 6497.

Pros and Cons:


  • Easy to work on
  • Excellent beginner movement for tinkering or learning how to service/repair watches


  • Non-hacking
  • Slow beat rate compared to other modern movements

Additional Resources:

You are reading Caliber Corner, the most popular resource for watch movement pics, specs, mods and DIY repairs. Follow @calibercorner on Twitter, Instagram but NOT Facebook. Subscribe to the YouTube channel. Join our mission to spread movement awareness. Sign up!
What do you think about ETA Caliber 6497-1? Keep comments respectful and follow our community guidelines.
Notify of

newest most voted
Inline Feedbacks
View all comments
New Watch Alert: 8/21/2020 - The Truth About Watches
1 year ago

[…] caseback is shaped like an airplane window, not the face. The 43mm watch runs on a hand wound ETA Caliber 6497-1 – also used by Panerai, Victorinox Swiss Army, Glycine – with a repositioned crown and […]

Lépine Caliber Watch Movement | Caliber Corner
2 hours ago

[…] At the time it was presented to the watch world, the concept of the Lepine movement was seen as a radical break from tradition, particularly the fusee which used two parallel plates. The Lepine only uses a bottom plate, with bridges. This made pocket watch assembly and repair easier, and the design quickly became the framework for the modern pocket watch. It is still found in wristwatch calibers produced today, such as the ETA… Read more »

Venus Caliber 178
Would love your thoughts, please comment.x