Desk clock - SONY - Mid-century modern Aluminium - 1960-1970 - Program Timer 1976s

[Overview]

This item is a SONY PT-24 Program Timer manufactured in 1976. It was originally designed to automatically control the power supply of connected electrical equipment by switching the outlet on and off at preset times. Before digital controllers became widely available, mechanical program timers such as this model played an important role in homes, offices, laboratories, and professional working environments where scheduled operation improved efficiency and reduced manual intervention. The combination of an analog clock and a mechanical programming dial demonstrates the practical engineering solutions developed during the 1970s.

This item reflects the industrial design philosophy of SONY during a period when the company produced not only consumer electronics but also utility and control equipment. The brushed metal front panel, clearly arranged controls, and mechanical timing mechanism provide both functional reliability and a distinctive vintage appearance. Devices of this type were commonly used to automate lighting systems, recording equipment, and other electrical appliances requiring operation at predetermined times. Today, examples that remain fully operational are increasingly difficult to obtain, making them desirable among collectors of vintage electronics and industrial technology.

Collectors value this type of item because it represents an important stage in the evolution of automation technology before the widespread adoption of digital systems. The visible mechanical components and analog programming system illustrate historical methods of electrical control while also offering decorative appeal. In addition to its historical significance, the confirmed working condition makes this example suitable for display, collection, or practical use with compatible equipment. Its combination of functionality, classic SONY branding, and authentic 1970s design contributes to its collectible appeal.

[Key Features]

・This item is a SONY PT-24 Program Timer.

・Manufactured in 1976.

・Mechanical analog clock with rotary programming dial.

・Automatic power ON/OFF scheduling function.

・Operation confirmed.

・Time adjustment confirmed.

・Automatic ON operation at the programmed time confirmed.

・Automatic OFF operation at the programmed time confirmed.

・Vintage brushed metal industrial design.

・Suitable for collectors of vintage SONY equipment and retro electronic technology.

[Estimated Period / Background]

This item is from 1976. Mechanical program timers were widely used before digital timers became standard equipment and provided reliable automation for electrical devices in both commercial and residential environments. SONY produced a variety of electronic control devices during this era, and examples such as this illustrate the technological development and industrial design of the period. Collectors value this type of equipment for its historical importance, mechanical construction, and representative Japanese engineering.

[Condition]

This item has been tested and confirmed to operate correctly.

Confirmed functions:

・Automatic power ON at the programmed time

・Automatic power OFF at the programmed time

・Time adjustment operates correctly

The exterior is in good physical condition according to the provided information. Please refer to the photographs for the most accurate assessment of cosmetic condition.

[Dimensions / Weight]

Width: 18 cm

Depth: 7.5 cm

Height: 14 cm

Weight: 873 g

[Shipping]

This item will be shipped from Japan using Japan Post and international postal services.

Estimated delivery time is approximately 15 days after dispatch, depending on the destination country and customs procedures.