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1960s Hamilton Electric 30mm 10K Gold Filled Watch Cal. 505 Arrow Seconds Hand — view 1 of 4
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Wristwatches · Wristwatch

1960s Hamilton Electric 30mm 10K Gold Filled Watch Cal. 505 Arrow Seconds Hand

DocumentedDocumented from an auction catalogue; attribution as stated by the auction house.
Maker / attribution
Hamilton (maker)
Date
1960s
Country of origin
Switzerland
Object type
Wristwatch
Lot
Item 219076166
Credit line
Auction lot record: lot 433, EXCLUSIVE WATCHES AND POCKET WATCHES 3, Sphere Auctions LLC (2025), via LiveAuctioneers
Catalogue title (original)
1960s Hamilton Electric 30mm 10K Gold Filled Watch Cal. 505 Arrow Seconds Hand (English)

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Record summary

Catalogued by LiveAuctioneers auction archive (lot Item 219076166), this is a wristwatch by Hamilton, made in Switzerland, dated 1960s. The Atlas places it in the Modern Mechanical Horology period (1945 – 1969) of its Wristwatches collection. The record is illustrated with 4 photographs.

Assembled from the source record's structured fields. Dates and attributions are given as the source states them; where a field is missing the Atlas leaves it blank rather than estimating.

Catalogue description

Lot description — Sphere Auctions LLC

Circa 1960s Hamilton Electric men’s wristwatch powered by the Hamilton Caliber 505 movement, one of the final and most refined iterations of the company’s pioneering electric line. Features a silver sunburst dial with applied gold-tone hour markers, gold hands, and a distinctive red arrow seconds hand. The watch exemplifies Hamilton’s role as the first manufacturer to produce a battery-powered wristwatch, bridging mechanical and electronic technology.The case is stamped 10K Gold Filled and signed Hamilton on the inside. Measures 30 mm excluding crown. Retains its signed Hamilton “H” crown and a vintage brown leather strap. The watch appears complete but is untested — movement condition and battery circuit unverified, service recommended if restoration is intended.---DetailsBrand: HamiltonModel: ElectricYear: 1960sCase Size: 30 mmMaterial: 10K gold-filledMovement: Hamilton Cal. 505 electric (battery-powered, untested)Dial: Silver sunburst with red arrow seconds handCrystal: Domed acrylicCrown: Signed Hamilton “H” logoStrap: Vintage brown leatherCondition: Untested; complete; light case wear consistent with age

Historical context

Modern Mechanical Horology (1945 – 1969)

Tool watches for divers, pilots and astronauts; electric watches anticipate the electronic age.

The classic era of the mechanical wristwatch: dive watches, chronographs for motor racing and space flight, GMT watches for jet travel, slim dress watches, automatic calendars, and the rise of Japanese manufacturers alongside Swiss, American, German and Soviet industries.

Read the period in the timelineMore wristwatches from this periodEarlier: Golden Age of Mechanical Watchmaking

Atlas type guide

Quartz, digital and electronic watches

Electronic watches arrived in three steps. The Hamilton Electric 500 (1957) was the first battery-powered wristwatch, still with a balance; Bulova's Accutron (1960) used a tuning fork. On 25 December 1969 Seiko released the Astron 35SQ, the first quartz wristwatch, closely followed by the Swiss Beta 21 group. In 1972 Hamilton's Pulsar introduced the LED digital watch, and LCD displays soon made digital watches cheap.

The 'Quartz Crisis' that followed devastated the Swiss mechanical industry, which lost two-thirds of its workforce between 1970 and 1984 before recovering with the Swatch (1983) and the luxury mechanical revival. Solar, radio-controlled, kinetic and connected smartwatches continue the electronic line.

What to look for

  • Battery hatch in the case back and calibre markings with 'Quartz' or a crystal frequency.
  • Display technology: LED (red, push-button) versus LCD (always-on).
  • Tuning-fork hum and a smoothly sweeping seconds hand on Accutrons.
  • Model and reference numbers, often printed on the back.

Dating clues

  • Electric balance watches: from 1957.
  • Tuning-fork watches: 1960–c. 1977.
  • Quartz analogue: from December 1969; LED digital: 1972–c. 1978; LCD from 1973.

General guidance written by the Atlas editors about this kind of object. It is not a statement about this particular piece; for that, rely on the source record above and on physical examination.

Read next:Seiko calibre 35A (Astron)

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