Ronda caliber 6004.B

Ronda Caliber 6004.B

Ronda caliber 6004.B

Caliber NumberRonda 6004.B
Size11 1/2”’ x 3.30mm thick
Battery Cell Number371/370
Claimed Battery Life40 months
Jewels5 (gold plated / 1 jewels (nickel plated)
FunctionsHours, minutes, small seconds, big date at 6:00
Swiss parts, assembled in unknown (comment below)
Known Models
Tag Heuer Formula 1 Grande Date

According to the Ronda website, there are two versions of this movement: a Swiss parts version with 1 jewel and nickel plated finish, and a 5 jewel version with gold plated finish.

Tip: Pulling the crown out will “hack” the movement and also serves as a power saving function while the watch is in storage.

Add your experience with the Ronda caliber 6004.B in the comments below…


You are reading Caliber Corner, the most popular resource for watch movement pics, specs and opinions, including mods and DIY repairs. CC is a watch geek community for gear turning and caliber learning! Check the front page for the latest caliber listings and follow Caliber Corner on Twitter, Instagram and Facebook. Subscribe to our YouTube channel for close-up movement videos. Join our mission to spread movement awareness. Sign up!
What do you think about Ronda Caliber 6004.B? Keep comments respectful and follow our community guidelines.
Notify of
Inline Feedbacks
View all comments
Timex American Documents: Review - The Truth About WatchesThe Truth About Watches
11 months ago

[…] dial and caseback also promote its Swiss bits. Timex’s website says they chose the quartz Ronda caliber 6004.D because “there are no watch movements made with American parts that meet our standard […]

Henry cordero eluzondo
Henry cordero eluzondo
1 month ago

Realice una reparación de mantenimiento en una máquina ronda 6004.b, todo bien , pero al momento de colocar los discos de fecha no logro sincronizar el cambio de manera correcta. Una ayuda o guía por favor.

Would love your thoughts, please comment.x