Skip to content

Omega Speedmaster Professional Ref. 145/345.0808 stainless steel chronograph wristwatch

DocumentedSupported by at least one credible specialist source.

Record status

Individual type · partial

Period

Circa late 1990s

This Omega Speedmaster Professional is a stainless steel chronograph wristwatch, reference 145/345.0808, dating to the late 1990s. The watch features a black dial equipped with painted luminous baton hour markers, an outer minute track, white sword-style hands, and a central chronograph seconds hand.

It incorporates three recessed subdials comprising a 30-minute counter at the 3 o'clock position, a 12-hour counter at the 6 o'clock position, and a small seconds register at 9 o'clock. The 40 mm stainless steel case is fitted with a tachymeter bezel and an open display screw-down caseback engraved with "Speedmaster Professional". It is powered by an Omega calibre 1861 manual-winding movement. The timepiece is presented on an Omega stainless steel bracelet, reference 1998/849, measuring approximately 170 mm in length.

The total weight of the watch is approximately 135 grams. The dial, case, and movement bear official Omega signatures, and the case and movement are further identified by number 77077839.

Evidence at a glance

Linked sources
1
Photograph views
1
Catalogue references
0

Counts describe this entry’s documentation, not authenticity, rarity or completeness. Photographs may show one specimen; check each caption and licence.

Physical characteristics

Weight
135 g
Diameter
40 mm
Material
Stainless steel
Bracelet length
170 mm
Bracelet reference
1998/849

Technical characteristics

Movement
Manual-winding, Omega calibre 1861
Case number
77077839
Case reference
145/345.0808
Movement number
77077839

Design

Dial
Black with luminous baton markers
Bezel
Tachymeter
Caseback
Open display, engraved Speedmaster Professional
Subdials
30-minute counter, 12-hour counter, small seconds

Identification

Source note
Described from a single auction-house listing published on Invaluable (reproduced with Invaluable's permission). Details apply to that one example; other examples of the type may differ, and the listing is supplementary evidence, not authentication.
Maker named in listing
Omega

Catalogue references

No catalogue numbers recorded. Numbers are only published once transcribed from a verified edition of a standard catalogue — they are never inferred.