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Sinn 104: An Ultimate Guide of This Popular Series in Sinn

Founded in 1961, Sinn Spezialuhren has been renowned worldwide for its navigational clocks and specialised tool watches. The Series 104 is a collection of classic pilot timepieces from the Frankfurt-based brand’s “Instrument Watches” family.

Known for its true and traditionalist style, SINN Series 104 seamlessly incorporates modern materials and sophisticated technology for ensuring optimum performance. These robust wristwatches can be quickly distinguished by their signature features like the captive pilot’s bezel and highly optimized dial design. Driven by extremely dependable Swiss automatic movements, these precision instruments efficiently provide accurate and reliable timekeeping.

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A genuine tool watch made in Germany, this iconic SINN model follows the rigorous specifications according to German National Standards DIN 8310 for water resistance and DIN 8309 for anti-magnetism. In the following paragraphs, we highlight the special characteristics of this collection, some useful information related to various 104 models and the SINN Singapore price.

Common features

All Series 104 SINN watches are made of stainless steel, the material known for its ability to withstand extreme conditions. They feature polished cases measuring 41mm in diameter and 11.9mm in thickness. Lug width is 20mm. This top-quality pilot watch is fitted with scratch-resistant sapphire crystal glass. With the anti-reflective coating on both sides, it provides an unobstructed view of the dial. Moreover, the sapphire crystal case-back window of the rear side of the watch allows the owner to admire its mechanical self-winding movement.

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Pilot Watch 104 104.014-Solid-2LSS

SINN Model 104 is a reliable and sturdy timing instrument with a pressure-resistant up to 20 ATM (equivalent to 200-meter water resistance). Also resistant to low pressure, it is an ideal companion for pilots who fly unpressurized aircrafts. The captive pilot’s bezel with minute ratcheting and luminous key mark can be rotated on both sides and is firmly attached to the case.

Featuring the reversed five-increment scale, the Captive Bezel of SINN 104 can be rotated both ways. It is additionally provided with a distinct mechanism for preventing accidental alteration. This bezel can be used for accurately measuring elapsed time during activities or as a countdown timer. The screwed-down crown at 3 o’clock is flanked by two small crown-guards. The straight lugs with angled, smooth bevels ensure optimum comfort while wearing the watch.

This automatic SINN watch is equipped with the Sellita SW 220-1 Swiss-made movement (some older versions of SINN 104 feature ETA 2836-2). Both calibers are almost similar. They beat at the rate of 28,800 vibrations per hour. The Sellita calibre typically provides approximately 38 hours of power reserve. Bearing 26 jewels, this Self-winding calibre has been renowned for their remarkable accuracy, excellent reliability and robustness. Fitted with a gold-plated oscillating weight with SINN engraving, this precise movement is visible through the display case back.

Instrument Watches 105.021-Leather-CSO-Blk

The Sellita SW 220-1 calibre features stop-seconds mechanism for precision time-setting and offers quick-setting for day and date functions.

A true micro-engineering marvel, SINN 104 timepiece boasts a clearly structured and quickly readable dial. Indeed, the exceptional legibility of the dial is a must-have feature of a true pilot watch. It has three centrally positioned hands, respectively for indicating the hour, minute and seconds. Both hour and minute hands are syringe-shaped, while the second hand is spear-shaped.

To provide optimum dial visibility in the darkness, all the hands, indices and numbers are embedded with high-quality luminescent material. Another key characteristic of the dial is its easily readable day-date window. The day of the week indicator is bi-lingual. By adjusting the crown, the wearer may choose English or German names of the day on the display window.

Versions

The SINN 104 collection is comprised of a number of versions, mainly grouped according to the dial color (or pattern) and type of straps. It is usually simple to find out the details from the model number.

For example, SINN 104 st sa A is the stainless steel variant featuring a matte-black dial, a black bezel and Arabic numeral hour markers. The model 104 St Sa I has the same specifications as above, but it features rectangular index hour markers instead of Arabic numbers. In the same fashion, 104 St Sa I W can be easily identified by its white dial and indexes.

104 St Sa I B 104.013-Leather-Cowhide in Vintage-Style-DSB-Brown

SINN 104 St Sa I B features a sunburst dark-blue dial while 104 St Sa I MG comes with a shimmering metallic-green dial. 104 St Sa I A highlights anthracite electroplated dial with sunburst finish. Limited to 1,000 pieces, 104 St Sa A B E boasts an anodised aluminium blue bezel and a sunburst dark-blue dial with ivory-colored hands, indices and Arabic numerals.

SINN 104 St Sa A G is a limited edition (500 pieces) model featuring ETA 2836-2 self-winding movements, a metallic green dial and a black bezel.

Among these timepieces, the 104 St Sa I A won the German Design Award in the category ‘Excellent Product Design 2021’ for its outstanding design.

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Pilot Watch 104 St Sa I A 104.014-Solid-FLSS

Available in anthracite, matte black, dark blue, metallic green and brilliant white versions, this watch can be easily customised with various types of straps. The available choices are Alcantara, Canvas, Leather, Silicone and stainless steel bracelet.

In the leather strap segment, the brand is offering alligator, calfskin, cowhide and horsehide. Typically fitted with pin buckles, they offer both modern and vintage styles. Bund strap is also available. Silicone straps come with a pin buckle or a folding clasp. SINN 104 is also supplied with two-link (H-pattern) or five link stainless steel bracelets, featuring prominently a polished/satin finish.

Summary

SINN 104 is an important tool watch collection in the contemporary market. Although designated as a pilot’s timepiece, this robust timekeeper can be used without any issue in your terrain-based adventurous activities and sports. It is also possible to instantly transform this versatile watch as an excellent water-sports timepiece by pairing it with a water-proof silicone strap or stainless steel bracelet. It can be utilised as a recreational diving instrument, thanks to its 200-meter water resistance and the proprietary captive safety bezel.

The compact dimensions and ergonomic design features naturally make SINN 104 an elegant daily beater. It is one of the most budget-friendly timepieces in its segment. The SINN 104 Singapore retail price range typically starts from S$ 1,900 to S$ 2,500. The models with silicone straps are the least expensive. The versions featuring stainless steel bracelets cost around S$ 2,500. 

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