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The Encyclopedia of Horology

Wristwatch · Small-seconds wristwatch

Zenith Man's Wristwatch with Small Seconds

Partially verified

This men's wristwatch from the Swiss brand Zenith is attributed to approximately 1965. The watch features a round case measuring 36 mm in diameter, excluding the crown, finished with a black leather strap. The dial is silver-colored with a subtle sheen, featuring applied Arabic numerals with a polished chrome finish. A small seconds sub-dial is positioned at 6 o'clock and incorporates a cross-hair design. The dial displays the Zenith name and star emblem below the 12 o'clock position, with "SWISS" printed at the bottom edge. Internally, the watch is powered by a manual-wind Zenith caliber 2531 movement. According to the source, the movement has been serviced and is in working condition. The watch is presented as a vintage timepiece suitable for daily wear, with the source noting that components such as the strap and buckle are subject to replacement as consumable parts.

Frontal view of the Zenith 1965 manual-wind wristwatch showing the silver dial, applied Arabic numerals, and cross-hair small seconds sub-dial.
Frontal view of the Zenith 1965 manual-wind wristwatch showing the silver dial, applied Arabic numerals, and cross-hair small seconds sub-dial. — It's About Time (The Clock & Watch Shop). Rights pending — permission not yet requested. Original source

Catalogue identity

Source
zamanito.com
Category
Wristwatch · Small-seconds wristwatch
Maker / attribution
Zenith
Reference
2531
Catalogue / lot identifier
Source URL identifies the listing
Source-reported date
circa 1965
Source-reported place
Switzerland

Source-reported attribution and specifications are not independent authentication. A listing does not establish present ownership, current display, availability or permission to reproduce.

Object description

Case and Dial

The watch features a round case measuring approximately 36 millimeters in diameter, excluding the crown, which provides a classic profile. The exterior is paired with a black leather strap featuring side stitching.

The dial is silver-colored with a soft luster and displays Arabic numerals finished in polished chrome. Positioned at 6 o'clock is a small seconds register detailed with cross-hair markings. The Zenith star logo and brand name are applied beneath the 12 o'clock position, while the word "SWISS" is inscribed along the lower edge of the dial.

Evidence for this section
  • “قطر قاب بدون احتساب دسته کوک ۳۶ میلی‌متر اعلام شده است”
  • “صفحه ساعت طبق منبع اورجینال بوده و دارای زمینه‌ای نقره‌ای‌رنگ با درخشش ملایم است”
  • “نشان تجاری ستاره و نام Zenith در زیر موقعیت ساعت ۱۲ و نشان سوئیس در لبه پایینی صفحه دیده می‌شود”

Movement and Functionality

The watch is driven by a Zenith caliber 2531 mechanical movement, which requires manual winding. The presence of the small seconds sub-dial at the 6 o'clock position is consistent with the movement's architecture.

The auction description reports that the movement has undergone technical servicing and is currently fully functional.

Evidence for this section
  • “ساعت به موتور با مشخصه کالیبر یا رفرنس 2531 مجهز است”
  • “ساختار این کالیبر به صورت دستی کوک‌شونده بوده”
  • “طبق توضیحات فروشنده، این موتور تحت سرویس فنی قرار گرفته و در حال حاضر به طور کامل و بدون نقص کار می‌کند”

Provenance and Authenticity

The watch is attributed to the manufacturer Zenith, with a production date estimated to be around 1965. The source asserts that the dial is original to the watch.

While the auction description reports the watch is in excellent working condition, it emphasizes that components such as the leather strap and buckle should be treated as replaceable consumable items. Collectors are encouraged to perform an in-person verification of the serial numbers and movement markings.

Evidence for this section
  • “این ساعت مچی کلاسیک از برند شناخته‌شده سوئیسی Zenith، بر اساس عنوان و مشخصات ارائه‌شده متعلق به حدود سال ۱۹۶۵ میلادی است”
  • “طبق ادعای منبع، صفحه کاملاً اصیل بوده و ساعت در شرایط کاری عالی قرار دارد”

Open research questions

  • Does the internal caseback engraving match the 2531 movement caliber serial series?
  • Is there photographic documentation of the movement visible to verify the caliber stamp?

Source evidence

Recorded claims and source quotations for Zenith Man's Wristwatch with Small Seconds
FieldSource-reported valueSource quotation
MakerZenith“برند: Zenith”
Datecirca 1965“سال ساخت تقریبی: ۱۹۶۵”
CountrySwitzerland“کشور سازنده: سوئیس”
Reference/Caliber2531“رفرنس / کالیبر موتور: 2531”
Case Diameter36 mm“قطر قاب: ۳۶ میلی‌متر (بدون احتساب سردسته)”
Dial ColorSilver“رنگ صفحه: نقره‌ای”
Movement TypeManual-wind“ساختار این کالیبر به صورت دستی کوک‌شونده بوده”
Service StatusServiced“ساعت به موتور با مشخصه کالیبر یا رفرنس 2531 مجهز است. طبق توضیحات فروشنده، این موتور تحت سرویس فنی قرار گرفته”

Visible details

  • Applied chrome Arabic numerals on a silver dial
  • Cross-hair pattern on the small seconds sub-dial
  • Zenith star logo at 12 o'clock
  • 36 mm case diameter excluding crown

Research qualifications

  • Verification of the movement serial number and casing match is recommended
  • Strap and buckle considered consumable parts

Photograph identity and source facts were screened before import; rights clearance remains pending.

Consulted source

Zenith 1965

Reviewed 2026-11-02 · Record 820e3168b3

Terms in this record

Glossary explanations for terms named in this object’s record.