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 example has a red gold case and a grey dial.

Brand: Arnold & Son
Family: Royal Collection
Reference: 1CTAR.G01A.C112R
Name: TEC1
Produced: N/A
Limited: No

Below is a detailed look at Arnold & Son’s model 1CTAR.G01A.C112R from Royal Collection watch family, including the price, case details and movement features.

Arnold & Son Royal Collection 1CTAR.G01A.C112R

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The Details

Arnold & Son’s TEC1 (1CTAR.G01A.C112R) 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 red gold case measures 44mm in diameter and roughly mm thick. The round case is paired with a grey 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 1CTAR.G01A.C112R is water resistant up to 30 meters (98 ft). A display caseback is over the back of the watch case.

Material: Red Gold
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 1CTAR.G01A.C112R movement is a powered by caliber A&S8305 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
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 1CTAR.G01A.C112R cost? This watch was introduced in N/A and has been in Arnold & Son’s collection for around . This watch is not a limited release. 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: 1CTAR.G01A.C112R
  • Limited: No

Case & Dial:

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


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

About Arnold & Son

Arnold & Son logo

Arnold & Son is part of the Citizen group.

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