Serviced Vintage1970 JAPAN SEIKO 25 CHARIO HIGH BEAT 2559-3010 24J Hand-winding.

Serviced Vintage 1970 JAPAN SEIKO 25 CHARIO HIGH BEAT 2559-3010 24Jewels Hand-winding.

Welcome to my auction!
I am Japanese who live in Tokyo.

Item description

Movement :

• Pet name : 25 CHARIO HIGH BEAT.
• Caliber number : 2559A.
• Movement : Hand-winding.
• Beat rate : 19800bph.
• Year of manufacture start : 1968's.
• Factory : Kameido.

Externals :

• Serial number : 072006.
• Dial number : JAPAN 2559-0040R AD.
• Glass : Acrylic.
• Case size : About 30mm.
• Lug width : 18mm.
• Band : Can be adjust the length.

Condition :

• Used, it runs well.
• The day difference time of an used watch is about +-1 minute / day.
• Overhaul service in February 2026.
  The movement has been cleaned and oiled, so it works fine.

Key Features

The Era of Slim Sophistication (1970): In **1970**, as the watch world was transitioning into the bold aesthetics of the new decade, the **Seiko Chariot** reference **2559-3010** stood as a masterclass in minimalism. Designed for formal occasions, it prioritized a razor-thin profile and ""Time-only"" elegance, catering to the discerning gentleman who valued the understated luxury of a hand-wound mechanical timepiece.

The Rare High-Beat Caliber 2559A: This watch is powered by the **24-jewel Caliber 2559**, a specialized manual-wind movement operating at a high frequency of **28,800 vibrations per hour (8 beats per second)**. In **1970**, achieving this high-beat rate in such a compact and thin movement was a significant engineering feat for the **Daini Seikosha (Kameido)** factory, ensuring superior stability and accuracy despite its small size.

Minimalist ""No-Second"" Design: The reference **2559-3010** intentionally omits the seconds hand and the calendar window. This ""Two-Hand"" layout allows for an incredibly clean and serene dial, emphasizing the **Zen-like simplicity** that Japanese design is famous for. By removing these components, Seiko was able to reduce the height of the hand-stack, resulting in an even slimmer case.

Grammar of Design Case Finishing: Even in its slender form, the **2559-3010** follows the strict design principles of the era. The case features sharp, polished edges and integrated-style lugs that allow the watch to wrap perfectly around the wrist. The **sunburst silver or textured dial** and ultra-thin applied indices were crafted to catch the light, providing a high-end, mirror-like brilliance that defied its thin proportions.

A Legacy of Technical Elegance: Produced in **1970**, the 2559-3010 represents the peak of Daini Seikosha's effort to perfect the ultra-thin hand-wound watch. Today, it is a highly sought-after reference for collectors of **""Supper-Thin"" vintage Seikos**, appreciated for its mechanical integrity and its timeless status as a piece of functional mid-century modern art.

For more information, please look at the pictures.

Notes

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