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Benrus Type 1 MIL SPEC: Specifications, Military History, and Bezel Design

The current Benrus Type 1 MIL SPEC pairs an ETA 2892 and 42-hour reserve with a bi-directional bezel. Here’s what its specifications and military history establish—and what they don’t.
Estimate3–4 min Catalogued SpecialistWatchRanker Team
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The current Benrus Type 1 MIL SPEC is an automatic watch whose published specifications include a 47.66 mm lug-to-lug length, 20 mm lug width, ETA 2892 movement, 42-hour power reserve, and water resistance rated at 36.5 ATM / 1,200 feet. BENRUS also lists a bi-directional bezel. Those are manufacturer specifications—not results from independent testing—and they should not be confused with hands-on findings about an earlier limited-edition reissue.

What are the current Benrus Type 1 MIL SPEC specifications?

BENRUS currently lists the Type 1 MIL SPEC as an automatic watch. Its product page identifies the movement, dimensions, power reserve, water-resistance rating, and bezel operation below. BENRUS product specifications

Specification Current Type 1 MIL SPEC
Movement ETA 2892, according to BENRUS
Power reserve 42 hours, according to BENRUS
Lug width 20 mm, according to BENRUS
Lug-to-lug length 47.66 mm, according to BENRUS
Water resistance 36.5 ATM / 1,200 feet, as stated by BENRUS; the product page does not establish an independent test result
Bezel Bi-directional, according to BENRUS

What the dimensions mean for fit and straps

The 47.66 mm lug-to-lug measurement is a useful fit reference, but it does not by itself determine how the watch will sit on a particular wrist. The listed 20 mm lug width makes a 20 mm strap a reasonable starting point when shopping; confirm compatibility with the specific watch version and strap before buying.

Is the Benrus Type I a real military watch?

There is a real military-specification connection, but it needs precise wording. BENRUS says the Type I collection was originally designed to meet U.S. Military MIL-W-50717 specifications. That provenance does not establish that the current consumer Type 1 MIL SPEC is identical to a vintage watch issued to military personnel. The manufacturer’s wording describes the collection’s design history; it is not an independent evaluation of the modern model. BENRUS Type 1 MIL SPEC

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#1 Best Overall
BENRUS Swiss Automatic Diver's Watch
  • Uni-directional 1 hour rotating bezel (brushed stainless steel with ceramic inner ring)
  • Swiss ETA 2892 automatic movement (42-hour power reserve)

What does the “hands-on” coverage actually cover?

WatchTime’s hands-on article is about an earlier limited-edition Type I reissue, not the current Type 1 MIL SPEC. It reports that original Type I production ran from 1972 through 1980 and notes that the bi-directional bezel differs from modern dive-watch criteria. Its observations should not be treated as wear, timing, or water testing of the current product. WatchTime’s hands-on coverage of the earlier limited-edition reissue

Why does the bi-directional bezel matter for diving?

A water-resistance figure and a bezel’s operating direction describe different aspects of a watch. BENRUS lists the current model’s rating as 36.5 ATM / 1,200 feet, but that is a manufacturer specification, not proof here of performance in a particular dive or independent testing. The same product page specifies a bi-directional bezel. Readers considering a watch for dive timing should weigh that design choice and the intended use alongside the stated rating, rather than treating the rating alone as a complete assessment of dive suitability.

Rank #2
Bronze Tactical Field Watch with Brown Leather Strap by BENRUS
  • Case Size: 41.5 mm in Diameter
  • Case Thickness: 13.7 mm
  • Lug Width: 20 mm
  • Lug to Lug Length: 49.85 mm
  • Case Material: Sandblasted 316L Stainless Steel Bronze PVD with Polished Bevels and Screwdown Crown
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Support on Ko-Fi

How should the current watch be compared with the original and the reissue?

The available information supports a distinction between the historical Type I, an earlier limited-edition reissue, and the current Type 1 MIL SPEC. The original production dates and the earlier reissue’s bezel discussion come from WatchTime; the current model’s technical figures come from BENRUS. Neither source establishes that all three versions share the same construction or performance.

Quick Recap

Bestseller No. 1
BENRUS Swiss Automatic Diver's Watch
BENRUS Swiss Automatic Diver's Watch
Uni-directional 1 hour rotating bezel (brushed stainless steel with ceramic inner ring); Swiss ETA 2892 automatic movement (42-hour power reserve)
$1,995.00
Bestseller No. 2
Bronze Tactical Field Watch with Brown Leather Strap by BENRUS
Bronze Tactical Field Watch with Brown Leather Strap by BENRUS
Case Size: 41.5 mm in Diameter; Case Thickness: 13.7 mm; Lug Width: 20 mm; Lug to Lug Length: 49.85 mm
$1,995.00
Best Value
Wartime | A-11 Military Aviator Watch – Limited Edition Collector's Edition Inspired by World War II Type A-11, Individually Numbered (500 Units), Includes Two Watch Straps and Extra Accessories​
  • MILITARY WATCH – Watch inspired by the iconic World War II A-11 model, featuring high-precision Swiss movement. An exclusive piece for collectors and military history enthusiasts, perfect for paying tribute to aviation and the missions of the legendary B-29.
  • TECHNICAL SPECIFICATIONS - 42mm stainless steel case with matte chrome finish, 11mm thick, 10ATM water resistance. Mineral glass, deep-etched engraved backcase logo. Black embossed dial with luminous numbers and index printing, super luminescent hands, solid copper crown.
  • LIMITED NUMBERED EDITION – This A-11 WWII watch is limited to 500 units worldwide, offering a unique opportunity for collectors to obtain an exclusive and functional piece of military history. The collection number is individually laser engraved on the back of the watch.
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Rank #4
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LN LENQIN Mens Watches Military Sport Analog Quartz Watch for Men
  • ⌚ MENS WATCHES ANALOG: Mens military watches made with shock-resistant stainless steel case and anti-scratch mineral window, exquisitely crafted and durable. Men's watch strap width: 22mm / 0.86 inches, stainless steel case: 42mm / 1.65 inches.
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Rank #3
PRAESIDUS A-11 Military Watch | Automatic WW2 Field Watch for Men | 42mm Stainless Steel Case with Black Dial Green Canvas Strap and 100M Water Resistance, Assembled in USA
  • ✔𝐈𝐜𝐨𝐧𝐢𝐜 𝐖𝐖𝐈𝐈 𝐅𝐢𝐞𝐥𝐝 𝐇𝐞𝐫𝐢𝐭𝐚𝐠𝐞: The praesidus a-11 honors the original a-11 military watch issued to US troops in WWII. This authentic vintage military watch blends battlefield-inspired design with modern reliability, making it a true military watch for men who value history and precision.
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Version What is established What is not established here
Original Type I WatchTime reports production from 1972 through 1980; BENRUS says the Type I collection was originally designed to meet MIL-W-50717. Specific dimensions, movement, reserve, and water-resistance figures for every original watch are not stated in the cited sources.
Earlier limited-edition reissue WatchTime published hands-on coverage and notes its bi-directional bezel differs from modern dive-watch criteria. The article’s hands-on observations do not verify the current model’s performance.
Current Type 1 MIL SPEC BENRUS lists an ETA 2892 movement, 42-hour reserve, 20 mm lug width, 47.66 mm lug-to-lug length, bi-directional bezel, and 36.5 ATM / 1,200 feet water resistance. The product-page figures are manufacturer specifications, not independent test results.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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