The Tool Desk
Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →The Sinn 103 Sa G gives the familiar 103 pilot chronograph a striking green makeover: a shimmering metallic-green dial meets a matching green anodized aluminum bezel. Announced in 2020 as a worldwide limited edition of 500 pieces, it is a notable color departure for Sinn—not a new 2026 release.
A green 103 with a changing look
The watch’s defining feature is its coordinated green treatment. Sinn’s launch description says the metallic dial changes its appearance with the light; the bidirectional pilot bezel is green anodized aluminum, with a luminous marker. The day and date displays match the dial’s green color scheme. The effect is more expressive than the restrained look often associated with Sinn, while keeping the practical, instrument-like layout of the 103.
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Time+Tide’s 2020 introduction described the bezel as captive and noted the domed sapphire crystal’s vintage-like profile. Sinn’s announcement says the crystal is shaped from a 5 mm solid blank using five curvature radii. Those details give the watch a more sculpted silhouette than a flat-crystal chronograph.
What the 103 Sa G is built around
The 103 Sa G retains the 103’s pilot-chronograph character. Its automatic Concepto C99001 movement powers the time display, small seconds, chronograph, day and date. The bidirectional pilot bezel adds a luminous marker. Sinn-attributed specifications list 25 jewels, a frequency of 28,800 vibrations per hour, stop-seconds and a 48-hour power reserve.
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| Specification | Published detail |
|---|---|
| Reference | 103.172, identified by GMT Post; Sinn’s Japanese launch material calls it 103.SA.G |
| Movement | Automatic Concepto C99001; 25 jewels; 28,800 vibrations per hour; stop-seconds |
| Power reserve | 48 hours, as stated in Sinn-attributed launch specifications |
| Functions | Hours, minutes, small seconds, chronograph, day and date |
| Case diameter and thickness | 41 mm diameter; 16 mm thick |
| Lug width and weight | 20 mm lug width; approximately 77 g without strap |
| Case and crystal | Polished stainless steel; domed, double-sided anti-reflective sapphire crystal; screw-fastened transparent sapphire back |
| Water and pressure ratings | Listed as water resistant to 20 bar and resistant to low pressure |
These are manufacturer-attributed or contemporary published specifications, not independent test results. The 20 bar rating should not, by itself, be treated as a recommendation for a particular diving activity.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How limited was the edition?
Sinn’s 2020 announcement described the model as a worldwide limited edition of 500 pieces. That establishes the original production limit, not whether a particular example is available today. When assessing a listing, check the exact reference, configuration, condition, provenance and seller documentation rather than assuming every watch advertised as a 103 Sa G is an original example of this edition.
Launch prices are not current valuations
Contemporary launch coverage reported different prices by market and configuration. Time+Tide reported €2,690 in 2020. Sinn-attributed Japanese launch material listed ¥528,000 for a leather or canvas-leather strap and ¥561,000 for a bracelet. These are historical, geographically specific launch prices—not current market guidance, a present-day Sinn price, or evidence of current stock.
Quick Recap
Sources
- Time+Tide’s 2020 introduction reported the euro launch price and discussed the watch’s design.
- Sinn-attributed Japanese launch announcement republished by WatchMediaOnline provided the edition limit, specifications and Japanese launch prices.
- GMT Post’s model entry identifies the reference as 103.172.
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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