Watch Overview

We are proud to offer this authentic Rotary Longines Monopusher chronograph watch, reference 8613-1 — a finely crafted timepiece that blends timeless style with reliable engineering. This vintage piece is powered by an original Longines 335 – Based on Valjoux 234 mechanical movement made in Switzerland. It is in very good condition, perfect for collectors or enthusiasts who appreciate quality and history.

A monopusher chronograph uses a single button to start, stop, and reset the stopwatch function, combining elegance and functionality. These mechanical marvels were engineered for precision.

 

Product Details

General Specifications

• Brand: Rotary - Longines
• Type: Wristwatch
• Model: Monopusher
• Reference: 8613-1
• Year / Era: Vintage - Early 1970s
• Gender: Men's
• Country of Manufacture: Switzerland

Dial & Display

• Display: Analog
• Color: Silver with sunburst finish
• Features: Baton hour marks; minute and second track; sweep chronograph second hand; 30-minute counter at 3; date window at 9

Movement

• Type: Mechanical
• Caliber: Longines 335 – Based on Valjoux 234
• Jewels: 17
• Functions:
  • Chronograph
  • Central hours, minutes, and chronograph sweep seconds
  • 30-minute counter at 3
  • Date at 9
• Power Reserve: 48h
• Frequency: 21,600vph

Case & Band

• Material: Stainless Steel
• Case Size: 36mm
• Case Shape: Round
• Bezel: Fixed, stainless steel
• Crystal: Acrylic
• Back: Screwback
• Crown: Signed, push-pull
• Water Resistance: –
• Band Type: Orange leather two-piece strap

Additional Info

• Box & Papers: NO
• Condition: Very good – Fully functional, keeps excellent time
• Extras: Professionally inspected by our watchmaker to ensure proper operation. It is ready to wear.

Extended Details

Movement Markings:	Case Back Markings:	Measurements (mm):
Longines Watch Co. 335 - Swiss - Unadjusted - 17 Jewels - Valjoux 234	Stainless Steel - Longines - Fab. Suisse Swiss Made 8613 1 - 6336040	Case Diameter: 36 Case Diameter w/Crown: 39 Case Lug to Lug: 41 Case Thickness: 12.4 Lug Width: 18 Band Width: 18

History & Legacy of Longines

"Every Longines is also a fine piece of jewelry."

About Second Hand Horology

At SECOND HAND HOROLOGY, we offer a curated selection of watches ranging from vintage to modern, including both brand-new and pre-owned timepieces. We’re committed to quality, accuracy, and integrity.

Our listings feature:

• Professional, unedited photography
• Clear and honest descriptions
• Thorough inspection
• Secure packaging

We also warmly invite you to visit our physical shop and explore the collection in person.

Contact Us

We appreciate you checking out our listing! Don’t hesitate to reach out with questions, offers, or just to talk watches — we love what we do and enjoy connecting with fellow enthusiasts.

Thank you for your business—we truly appreciate your support and look forward to serving you again in the future!

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