Skip to content
Omega Speedmaster Professional ref. 145.022 Straight writing”, 1970 — view 1 of 6
View 1 of 6 · Image: Bulang & Sons · original image source (opens another website in a new tab)

Wristwatches · Wristwatch

Omega Speedmaster Professional ref. 145.022 Straight writing”, 1970

DocumentedDocumented from a dealer's listing; attribution and date as stated by the dealer.
Maker / attribution
Omega (maker)
Date
1970
Country of origin
Switzerland
Object type
Wristwatch
Dimensions
Case 42 mm
Stock no.
W-3940
Credit line
Dealer listing, Bulang & Sons (W-3940)
Catalogue title (original)
Omega Speedmaster Professional ref. 145.022 "Straight writing” (English)

View the source record (dealer listing) ↗ (opens another website in a new tab)Suggest a correction

Record summary

Catalogued by Bulang & Sons (dealer), Copenhagen (stock number W-3940), this is a wristwatch by Omega, made in Switzerland, dated 1970. The Atlas places it in the Quartz Revolution period (1969 – 1990) of its Wristwatches collection. Recorded dimensions: Case 42 mm. The record is illustrated with 6 photographs.

Assembled from the source record's structured fields. Dates and attributions are given as the source states them; where a field is missing the Atlas leaves it blank rather than estimating.

Catalogue description

Dealer description — Bulang & Sons

The Omega Speedmaster was introduced in 1957 as a precision chronograph designed for motorsport and sporting use. Its name reflected its connection to speed, while its robust case and highly legible tachymeter scale made it particularly well suited to timing events. The Speedmaster’s story changed forever in 1965, when NASA officially qualified it for manned space missions. It became the watch worn by astronauts throughout the Apollo missions and earned its legendary “Moonwatch” status after being worn on the lunar surface in 1969. Since then, the Speedmaster has evolved through countless references and variations, but the basic formula has remained remarkably consistent: a beautifully balanced chronograph, excellent legibility and a direct connection to one of the greatest chapters in watchmaking and space exploration. The Omega Speedmaster ref. 145.022 is one of the most important vintage Speedmaster references. Introduced in the late 1960s as the successor to the legendary ref. 145.012, it marked the transition from the famous calibre 321 to Omega’s new calibre 861, a manually wound, cam-actuated chronograph movement that would become one of the brand’s longest-running and most recognisable chronograph calibres. For collectors, one of the most interesting details of the early 145.022 is the case back. Among the early examples are the highly sought-after “Straight Writing” versions, named for the clean, straight arrangement of the engraved wording surrounding the Seahorse, or Hippocampus, medallion. This particular example is in very nice condition, with much of the original factory finishing still visible and the Straight Writing engraving remaining beautifully prominent. The tachymeter bezel has faded naturally to a lovely mid-grey tone and remains in nice overall condition. It also features the expected “dot next to 90” variation for its movement serial number — another small detail that collectors of early Speedmasters enjoy looking out for. The pie-pan dial is in very nice condition, with crisp white printed text and beautifully aged, yellow-patinated lume. The original-style handset remains unaltered, although the hands have been relumed with Super-LumiNova at a later stage. Colour-wise, the lume remains a surprisingly good match for the dial, keeping the overall appearance wonderfully harmonious. The hand-wound calibre 861 has been fully serviced by our watchmaker and is ready for many more years of wrist time. We have paired this Speedmaster with one of our Bulang & Sons Racing Brown Speedy leather straps, developed with the original 1960s Speedmaster straps in mind. We think the warm brown leather is a superb match for the beautifully aged tones of the watch. A very charming early 145.022 with all the right vintage ingredients: a Straight Writing case back, faded grey tachymeter bezel, beautifully patinated dial and a strong original case. A proper old-school Speedmaster with plenty of character and a wonderful connection to the early calibre 861 era. Get in touch! Specifications: Omega Speedmaster Reference 145.022 42 mm steel case “Dot next to 90 “ tachymeter bezel faded to a grey tone Black step dial with white text , yellow coloured lume Straight writing case back Cal 861 hand wound movement Movement Serial 3219xxxx dating to 1970 Bulang and Sons Racing brown Speedy leather strap and buckle Fully serviced by our watchmaker

Historical context

Quartz Revolution (1969 – 1990)

Seiko's Astron begins mass quartz timekeeping; traditional industries contract sharply.

Quartz and digital watches transformed the market after 1969. Swiss employment collapsed, Japanese and Hong Kong production soared, and the Swatch (1983) helped the Swiss industry recover; mechanical watches survived as luxury goods.

Read the period in the timelineMore wristwatches from this periodEarlier: Modern Mechanical Horology

Atlas type guide

Wristwatches

Bracelet watches were worn by women from the early nineteenth century — Breguet made one for Caroline Murat, Queen of Naples, in 1810–12 — but the wristwatch only became a man's instrument with military use and aviation in the early twentieth century. Between the World Wars it overtook the pocket watch; the 1920s and 1930s brought rectangular Art Deco cases, water-resistant cases and the first automatic winding systems.

After 1945 the wristwatch became a carrier of identity — dress watches, sports and dive watches, chronographs, calendars — produced by Swiss, American, Japanese, German, Soviet and Chinese industries. The quartz revolution after 1969 and the mechanical renaissance since the 1990s, including the rise of independent watchmakers, complete the story.

What to look for

  • The reference number (between the lugs or inside the case back) and serial number, the starting point for dating.
  • The calibre: its maker and number are often stamped under the dial or on the bridge.
  • Originality of dial, hands and crown — refinished ('redial') dials are common.
  • Case material marks: 18K/750, 14K/585, stainless steel, gold-filled, plated.

Dating clues

  • Wire-lug cases: before c. 1925.
  • Water-resistant screw-down cases: from 1926.
  • Quartz movements: from 1969; sapphire crystals widespread after c. 1980.

General guidance written by the Atlas editors about this kind of object. It is not a statement about this particular piece; for that, rely on the source record above and on physical examination.

Read next:Detached lever escapementIdentification Centre

Related records