Sinn 158 Chronograph – Re-Edition of the 1550 SG Bundeswehr (Live Pics)

By rolex
April 9, 2021
6 min read

Sinn’s devotion to device, pilot and military Jreplica Watches is unquestionable. The brand is one of the fundamental experts in this field, with a full scope of straightforward, strong and successful Jreplica Watches at sensible costs. References, for example, the 103, the 140 or the 356 need no presentation any longer. Nonetheless, if there was simply one to remember, this would be the “Bundeswehr Chronograph for Pilots”, known under the references 1550 SG (when it was made by Heuer) or 155 Bw (when produced by Sinn). This Jreplica Watches delivered during the 1960s, and later during the 1980s and mid 1990s, is a legend among military chronographs… And today, it’s back! Meet the new Sinn 158 Chronograph.

1960s-1990s – The Original Bundeswehr 1550 SG and the Sinn Model 155 Bw

The Bundeswehr Jreplica Watches was intended for military pilots and made for the West German Federal Defense Force (Bundeswehr). It was at first made by a company called Leonidas, which was subsequently bought by Heuer. It was driven by a Valjoux manual-wind type 222 with Incabloc stun security, 36-hour power hold, flyback work and hacking highlight. It was recognized as a Heuer-Leonidas development and would ultimately be supplanted by the comparative type 230.

The Jreplica Watches highlighted two pushers for the chronograph capacities with two subdials. The counter at nine o’clock showed ongoing seconds while the dial at three o’clock was a 30-minute counter. Curiously large Arabic numerals, straight hands and a “Concorde”- formed tip for the chronograph clear seconds hand all combined to make an especially decipherable watch.

However, the mark plan component was the bezel. The Jreplica Watches had a particular, very wide, dark bi-directional bezel with a semi-matte completion, an enormous, white triangle at its zero point and Arabic numerals at 15, 30 and 45.

Sinn’s part in this story happened during the 1980s and mid 1990s when Mr Helmut Sinn bought eliminated Jreplica Watches from the inventories of the Bundeswehr and sold these subsequent to reconditioning with, entomb alia, added SINN lettering on the dial under the name “Bundeswehr Chronograph for Pilots” as the Model 155 Bw.

It was during this period that the iridescent materials were transformed from the prior radioactive substance to something more secure, henceforth the dials with “3H” (Hydrogen-3) to indicate the transformation. A few forms of the dial likewise incorporated a little “t” on top of the 6 o’clock file that additionally alluded to the presence of tritium.

All Jreplica Watches were fitted with a “Bund” style twofold layer lash, which was intended to secure the pilot’s skin on account of outrageous temperatures. They were created from 1967 to 1990 when Germany was reunified, and the Bundeswehr was restructured.

2005, 2008, 2019 – The Sinn Bundeswehr Re-Editions

While the German brand actually has some military-motivated pilot’s Jreplica Watches in its inventory, generally with the 103St (indeed, it is a mark model), the genuine Bundeswehr Jreplica Watches was just re-altered twice by the brand, in profoundly restricted batches.

In 2005, Sinn made a 200-piece re-version of the Bundeswehr Jreplica Watches for the Japanese market. The assembling discovered 200 extra cases proposed for military Jreplica Watches and set up them with a hand-wound Valjoux 7760 development. The Jreplica Watches highlighted similar dark dial with iridescent hands and numerals (Super-LumiNova) and an indistinguishable Bund strap.

The 2005 Sinn 155 Bundeswehr made for the Japanese market ref. 155.020 (200-piece Limited Edition) 2008 Sinn 155 Bundeswehr made for Manufactum ref. 155.030 (272-piece Limited Edition)

In 2008, Sinn made a second 272-piece restricted version reverence to the Bundeswehr Jreplica Watches this time utilizing a programmed Valjoux 7750 for German vendor Manufactum. Despite the fact that the case, bezel and hands were indistinguishable from the military Jreplica Watches this time the dial highlighted a day and a date window at 3 o’clock.

In 2019, along with Jreplica Watches magazine Revolution, Sinn relaunched a Jreplica Watches motivated by this military/pilot chronograph, the 155 Bundeswehr “Dull Star”. Obviously, this extremely restricted Jreplica Watches was, indeed, the base for the authority form done by the brand, the accompanying Sinn 158 Chronograph.

Bund 2020 – the Sinn 158 Chronograph

Gauging the achievement of the 2019 Revolution adaptation, it was simply an issue of months before Sinn dispatched its own rendition of the “Bundeswehr Chronograph”. However, let’s not shroud our euphoria, as indeed, this is a serious cool Jreplica Watches that has recently been released.

The plan of the Sinn 158 Chronograph Pilot is with regards to its archetype. Most importantly, the case holds the 43mm width of the original Jreplica Watches – curiously large in those days, more customary on the current market. The Jreplica Watches isn’t dainty by the same token. It has a case thickness of 15.15mm because of the cutting edge programmed development inside. All the rest is devoted to the 1550 chronograph, which means a totally dab impacted tempered steel case, a dark covered matte pilots bezel, bi-directional and with hour long scale – with a similar design as the original – and a domed stun safe acrylic glass on top. As a piece of hardware for military pilots, the Jreplica Watches is additionally impervious to pressure drops and water-impervious to 100m.

Even however the specialists have advanced radically since the 1960s, the new Sinn 158 Chronograph holds its dial design, with a bi-compax show with little seconds at 9 o’clock and 30-minute counter at 3 o’clock. As an admission to advancement and day by day wearability, a date work has been included a window situated at 6 o’clock – a more regular citizen model than the original, no doubt.

This new model, in any case, feels more contemporary, sportier and less “military oriented” than the original. While the huge Arabic numerals look natural – same textual style as the 1550 – the rest has been refreshed. The matte dark dial includes a more itemized seconds track and various hands, completely covered in white glowing paint (hours and minutes) or painted in red (for the chronograph signs). No vintage needle hands and fauxtina here.

Powering this Sinn 158 Chronograph is a dependable, solid, effectively useful and open programmed chronograph dependent on the Valjoux 7750 engineering, and produced by Sellita. This type SW 510 beats at 28,800 vibrations/hour and saves to 48 hours of force save. It is covered up under a plain steel caseback.

Straps, Price & availability

The Sinn 158 Chronograph “Bundeswehr Re-Edition” (ref. 158.010) can be conveyed on different calfskin or silicone lashes, including a most apropos Bund cowhide tie (check Sinn’s configurator to pick your top choice). It will be restricted to 500 pieces and evaluated at EUR 2,590 (charges incl.) It is currently accessible to arrange on the brand’s site, .