The Vintage Seiko 5 Ladies Automatic Watch 4206-0510 features a classic two-tone design with a gold dial and bezel, making it a stylish accessory for women. With a mechanical automatic movement and 17 jewels, this wristwatch offers both functionality and reliability. The round watch shape, stainless steel case material, and stick indexes add to its timeless appeal. This vintage Seiko watch from the 1980s is a sought-after piece for collectors and watch enthusiasts looking for a piece of Japanese craftsmanship.

Identity & Movement

  • Model/Reference: 4206-0510.

  • Caliber: Seiko 4206. This is a high-quality, compact automatic movement specifically designed for ladies' watches.

  • Movement Type: Mechanical Automatic with Manual Winding capability. Unlike many standard Seiko 5 movements (like the 7S26), this caliber can be wound by hand using the crown.

  • Technical Specs:

    • Jewels: 17 Jewels.

    • Frequency: 21,600 beats per hour (bph).

    • Power Reserve: Approximately 40 hours when fully wound.

Physical Characteristics

  • Case Size: Approximately 24mm to 26mm in diameter.

  • Design Style: Often nicknamed the "Seiko Datejust" due to its fluted bezel and two-tone jubilee bracelet, which resemble the iconic Rolex design.

  • Materials: Stainless steel case with a gold-plated (SGP) or base metal fluted bezel.

  • Dial: Gold/Champagne dial with a day-date window at the 3 o'clock position.

  • Crystal: Mineral glass.

Production Date

Using the serial number visible on the caseback (570985):

  • Year: The first digit "5" indicates the year ended in 5. Given the 4206 movement was prominently used in the 1980s and 90s, this watch was manufactured in July 1985 or July 1995.

  • Month: The second digit "7" represents July.

Functional Features

  • Quickset Day/Date: The day and date can be adjusted quickly by pulling the crown to the first click. Turning it one way changes the date, and the other way changes the day.

  • Bilingual Day: The day wheel typically features two languages (e.g., English and Roman numerals).

  • Water Resistance: The caseback is marked "Water Resistant," though for a vintage piece, it should only be considered splash-resistant and kept away from significant water exposure.

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