Desk clock - Seiko Space Age - ABS - 1960-1970 - Dashboard Minicon 1969






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Seiko MCJ-502 dashboard clock, a vintage Space Age automobile clock from Japan (Tokyo) dating to c. 1967–1968, made of ABS plastic, powered by a Minicon transistor movement with a 400‑day power reserve, in good working condition with original luminous hands and dial markers, dimensions 9 × 6 × 7.5 cm and weight 180 g.
Description from the seller
Seiko Minicon MCJ-502 Dashboard Clock – Space Age Automotive Clock – Japan, c. 1967–1968
A highly collectible and increasingly difficult-to-find Seiko Minicon MCJ-502 automotive dashboard clock, manufactured in Japan during the golden age of Space Age industrial design.
Part of Seiko's prestigious MCJ automobile clock series (MCJ-501, MCJ-502 and MCEJ-503), this model was specifically designed for installation on vehicle dashboards and was advertised by Seiko as a high-performance transistor clock capable of withstanding the vibrations and temperature variations encountered during daily driving.
Unlike conventional dashboard clocks of the period, the MCJ-502 features a distinctive sculptural capsule-shaped case with a strongly futuristic appearance. Its compact dimensions, very dark grey, recessed dial and prominent front adjustment knob create an aesthetic that perfectly reflects the optimism and technological ambition of late-1960s Japanese design.
The clock is powered by Seiko's renowned Minicon transistor movement, representing an important transitional technology between traditional mechanical clocks and the quartz revolution that would soon transform timekeeping worldwide. According to the original Seiko catalogue, the clock operates from a single AA battery and offers an autonomy of over one year.
An original period Seiko catalogue identifies the MCJ-502 as part of the company's automotive accessory range and confirms its intended use as a dashboard-mounted clock. Catalogue not included and shown only for reference-
This example retains:
Original Seiko Minicon transistor movement
Original luminous hands and dial markers
Original Japanese battery replacement label inside the housing
Original mounting hardware
Strongly preserved Space Age design character
The luminescent numerals and hands remain visible, enhancing both functionality and visual appeal.
Condition
In good vintage condition with signs of age and use consistent with its age. The case remains free from major damage or cracks. Please carefully examine all photographs as they form an integral part of the description and condition report.
Dimensions
Height: approx. 9 cm
Width: approx. 6 cm
Depth: approx. 7.5 cm
Weight: approx. 180 g (with battery)
A rare and authentic piece of late-1960s Japanese automotive design, combining Seiko engineering, transistor-era technology and iconic Space Age styling.
The item offered is original, vintage, and pre-owned, and is described accurately and in good faith.
Before listing, the item is carefully cleaned, tested, and documented with detailed photographs. All functions mentioned in the description are tested and verified and are tested again before shipment as a final quality check.
Photographs form an integral part of the description and accurately represent the condition of the item at the time of listing.
As this is a vintage item, minor signs of age and normal wear are to be expected and are consistent with its age. Any structural damage, missing parts, or non-functioning features are clearly disclosed in the description and/or visible in the images. Colours may vary slightly due to lighting conditions and screen settings.This is a vintage electronic mechanical item. Due to its age and original components, slight variations in performance, accuracy, or behaviour may occur over time, even if fully functional at the time of testing.
The item has not been modified unless explicitly stated and is intended for normal use consistent with its age, or for collection and display.
The item will be professionally packed using protective materials, and double-boxed where appropriate. Shipping is tracked and insured. The item is handed over to the carrier in the same condition as documented prior to dispatch.
The buyer is responsible for providing a correct shipping address and for collecting the parcel within the carrier’s specified timeframe. In case of non-collection, refusal of delivery, or incorrect address, Catawiki’s applicable procedures and conditions will apply.
By placing a bid, the buyer confirms that they have carefully read the description and reviewed all images.
Seller's Story
Seiko Minicon MCJ-502 Dashboard Clock – Space Age Automotive Clock – Japan, c. 1967–1968
A highly collectible and increasingly difficult-to-find Seiko Minicon MCJ-502 automotive dashboard clock, manufactured in Japan during the golden age of Space Age industrial design.
Part of Seiko's prestigious MCJ automobile clock series (MCJ-501, MCJ-502 and MCEJ-503), this model was specifically designed for installation on vehicle dashboards and was advertised by Seiko as a high-performance transistor clock capable of withstanding the vibrations and temperature variations encountered during daily driving.
Unlike conventional dashboard clocks of the period, the MCJ-502 features a distinctive sculptural capsule-shaped case with a strongly futuristic appearance. Its compact dimensions, very dark grey, recessed dial and prominent front adjustment knob create an aesthetic that perfectly reflects the optimism and technological ambition of late-1960s Japanese design.
The clock is powered by Seiko's renowned Minicon transistor movement, representing an important transitional technology between traditional mechanical clocks and the quartz revolution that would soon transform timekeeping worldwide. According to the original Seiko catalogue, the clock operates from a single AA battery and offers an autonomy of over one year.
An original period Seiko catalogue identifies the MCJ-502 as part of the company's automotive accessory range and confirms its intended use as a dashboard-mounted clock. Catalogue not included and shown only for reference-
This example retains:
Original Seiko Minicon transistor movement
Original luminous hands and dial markers
Original Japanese battery replacement label inside the housing
Original mounting hardware
Strongly preserved Space Age design character
The luminescent numerals and hands remain visible, enhancing both functionality and visual appeal.
Condition
In good vintage condition with signs of age and use consistent with its age. The case remains free from major damage or cracks. Please carefully examine all photographs as they form an integral part of the description and condition report.
Dimensions
Height: approx. 9 cm
Width: approx. 6 cm
Depth: approx. 7.5 cm
Weight: approx. 180 g (with battery)
A rare and authentic piece of late-1960s Japanese automotive design, combining Seiko engineering, transistor-era technology and iconic Space Age styling.
The item offered is original, vintage, and pre-owned, and is described accurately and in good faith.
Before listing, the item is carefully cleaned, tested, and documented with detailed photographs. All functions mentioned in the description are tested and verified and are tested again before shipment as a final quality check.
Photographs form an integral part of the description and accurately represent the condition of the item at the time of listing.
As this is a vintage item, minor signs of age and normal wear are to be expected and are consistent with its age. Any structural damage, missing parts, or non-functioning features are clearly disclosed in the description and/or visible in the images. Colours may vary slightly due to lighting conditions and screen settings.This is a vintage electronic mechanical item. Due to its age and original components, slight variations in performance, accuracy, or behaviour may occur over time, even if fully functional at the time of testing.
The item has not been modified unless explicitly stated and is intended for normal use consistent with its age, or for collection and display.
The item will be professionally packed using protective materials, and double-boxed where appropriate. Shipping is tracked and insured. The item is handed over to the carrier in the same condition as documented prior to dispatch.
The buyer is responsible for providing a correct shipping address and for collecting the parcel within the carrier’s specified timeframe. In case of non-collection, refusal of delivery, or incorrect address, Catawiki’s applicable procedures and conditions will apply.
By placing a bid, the buyer confirms that they have carefully read the description and reviewed all images.
