Vintage BENRUS Watch BA4 ETA 161 Swiss Made Wristwatch Tonneau Case & Fancy Lugs

Watch Overview

This is a vintage Benrus mechanical wristwatch dated from the 1950s. Serviced on 12/2025.

It is a manual-wind watch powered by an original Benrus Watch Co. mechanical movement featuring 17 jewels and sub-second hand. It operates at 18,000 vibrations per hour with an approximate 41-hour power reserve. Swiss made.

It has a champagne dial (showing some age and patina) with applicated Arabic numerals, arrow hour markers, black minute track and complement with gold-tone matching hands.

Cased in a 25.2x28.2mm tonneau case with elegant lugs design, crafted in 10K yellow gold filled. It features a polished finish and paired with a dark brown brand-new leather two-piece strap. This timepiece presents well with signs of honest aging. Fully inspected and authenticated. Running and wearable.

Product Details

General Specifications

• Brand: Benrus
• Type: Wristwatch
• Year / Era: 1950s - Vintage
• Gender: Men's
• Country of Manufacture: Switzerland

Dial & Display

• Display: Analog
• Color: Champagne
• Features: Arabic numerals. Arrow hour markers. Sub-second hand.

Movement

• Type: Manual-winding
• Jewels: 17
• Some Features:
  • Small second hand
  • Serviced on 12/2025
• Power Reserve: 41-hours
• Frequency: 18,000vph

Case & Band

• Material: 10K gold filled
• Case Shape: Tonneau
• Bezel: Fixed
• Back: Snap
• Crown: Pull-Push
• Crystal: Acrylic
• Band: Brown two-piece strap
• Case Back Markings: BENRUS 10K Gold Filled 831986

Case Measurements (mm)

• Case Size: 25.2x28.2
• Case Diameter w/Crown: 27
• Case Lug to Lug: 39.3
• Case Thickness: 8.4
• Lug Width: 16
• Band Width: 16

Additional Info

• Box & Papers: NO
• Condition: The watch is in good condition, some signs of wear consistent with its age and use, a solid case, dial and brand-new strap.
• Extras: Fully inspected and authenticated by our in-house watchmaker, confirming that it runs accurately. It is ready to wear and enjoy.

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 and clear, transparent descriptions. Every watch is thoroughly inspected and securely packaged to ensure a confident, seamless buying experience.

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

Contact Us

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