The Basics

The TEC1 wristwatch is at once both alluring and intriguing. It masterfully integrates three complexities never before combined by the brand in such an elegant rendition. A tourbillon, a column wheel chronograph and an automatic winding system deftly blend in a superb avant-garde yet classic new timepiece. The TEC1, the brand’s third tourbillon, joins the sophisticated Royal Collection, which is inspired by the timepieces created in the early part of John Arnold’s life for King George III and members of the royal court. The present version has a palladium case and a black dial. It is a limited edition of 125 pieces.

Brand: Arnold & Son
Family: Royal Collection
Reference: 1CTAG.U02A.C113G
Name: TEC1
Produced: N/A
Limited: Yes, 125 units

Below is a detailed look at Arnold & Son’s model 1CTAG.U02A.C113G from Royal Collection watch family, including the price, case details and movement features.

Arnold & Son Royal Collection 1CTAG.U02A.C113G

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The Details

Arnold & Son’s TEC1 (1CTAG.U02A.C113G) was originally released in N/A. This watch features a automatic movement beating at a frequency of 28800 bph ( 4 Hz) to provide a 55-hour power reserve when fully wound.

The Case

The palladium case measures 44mm in diameter and roughly mm thick. The round case is paired with a black color dial with -shaped hands, and a stick / dot hour markers and minute track, covered by a sapphire glass. Arnold & Son’s Royal Collection model 1CTAG.U02A.C113G is water resistant up to 30 meters (98 ft). A display caseback is over the back of the watch case.

Material: Palladium
Glass: Sapphire
Back: Display
Shape: Round
Diameter: 44mm
Height: mm
Lug Width: N/Amm
W/R: 30

Case Diameter

Case Thickness

Lug Width

Water Resistance

The Movement

The Royal Collection 1CTAG.U02A.C113G movement is a powered by caliber A&S8305 Steel made by Arnold & Son. The 30-jewel automatic movement is 35mm in diameter. Its balance wheel oscillates at 28,800 semi-oscillations per hour or 4 Hz. This movement offers a 55-hour power reserve.

Type: Automatic
Brand: Arnold & Son
Caliber: A&S8305 Steel
Base: N/A
Display: Analog
Diameter: 35mm
Jewels: 30
Reserve: 55 hours
Frequency: 28800 bph
Time: Hours, Minutes
Chronograph: Chronograph, Column wheel
Additionals: Tourbillon Escapement

The Price

How much does the Arnold & Son’s Royal Collection 1CTAG.U02A.C113G cost? This watch was introduced in N/A and has been in Arnold & Son’s collection for around . This watch is a limited edition with just 125 pieces released. As with most luxury watches, the price of depends on the availability and demand.

CURRENT PRICE: Not Available .

For more information, visit Arnold & Son online.


  • Brand: Arnold & Son
  • Model: TEC1
  • Reference Number: 1CTAG.U02A.C113G
  • Limited: Yes, 125 units

Case & Dial:

  • Material: Palladium
  • Glass: Sapphire
  • Back: Display
  • Diameter: 44
  • Thickness:
  • Lug Width: N/A
  • Dial Color: Black
  • Indexes: Stick / Dot and -shaped hands
  • Water Resistance: 30 meters


  • Winding: Automatic
  • Brand: Arnold & Son
  • Caliber: A&S8305 Steel
  • Display: Analog
  • Diameter: 35mm
  • Jewels: 30
  • Power Reserve: 55 hours
  • Frequency: 28800 bph
  • Functions: Hours, Minutes

About Arnold & Son

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Arnold & Son is part of the Citizen group.

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