Description
Damasko DC89 GMT Steel Blue
The Damasko DC89 GMT Steel Blue< represents a significant development in German mechanical watchmaking, combining an innovative GMT chronograph complication with the brand's advanced silicon technology and exceptionally durable case construction. Designed and manufactured with Damasko's characteristic engineering precision, the DC89 introduces a distinctive approach to multi-timezone functionality, allowing up to three time zones to be displayed within a single mechanical timepiece. Its striking blue sunburst dial brings an additional dimension of refinement to a watch built around technical performance.
At the heart of the DC89 Blue is the Damasko C51-7 Si chronograph movement, featuring the latest generation of the company’s SIC-Spring silicon assembly. Incorporating both a silicon balance spring and silicon escape wheel, this advanced system is engineered to improve precision, reduce sensitivity to magnetic interference and support long-term mechanical reliability. The movement is adjusted to DAMASKO’s top-grade standard and features rhodium-plated plates decorated with perlage and Geneva stripes, alongside a practical 50-hour power reserve.
One of the DC89’s defining innovations is its unusual integration of a continuously adjustable GMT display at 3 o’clock with a jumping central chronograph minute counter. Described by DAMASKO as a world-first arrangement, the complication allows the wearer to monitor additional time zones while retaining the immediate readability of centrally displayed elapsed seconds and minutes. The GMT mechanism can accommodate half-hour time differences, making it especially practical for locations such as Adelaide and Darwin. A clearly positioned date display at 6 o’clock completes the arrangement.
The blue dial provides a sophisticated contrast to the DC89’s purposeful instrument-watch construction. Its subtle sunburst finish creates changing reflections across the surface, while white sword-shaped hands with silver edging maintain excellent visual clarity. Orange detailing identifies the chronograph minute counter and GMT hand, with Super-LumiNova on the GMT indication and Luminova X1 C1 on portions of the main hands. The overall design balances technical complexity with the legibility traditionally associated with Damasko watches.
The 42 mm case is manufactured from ice-hardened stainless steel, with the same hardened construction applied to the case back, crown and chronograph pushers. DAMASKO’s specialised screw-down crown system provides additional protection against everyday mechanical stresses, while the screwed case back and precision sealing contribute to water resistance of 100 metres. The case is also engineered for resistance to pressure and vacuum conditions, with functional reliability under vacuum and acceleration tested and certified to military standards. A double-domed sapphire crystal with an internal anti-reflective coating protects the dial.
Completing the DC89 Blue is a bidirectional rotating bezel with a 60-minute countdown scale. Both the bezel and insert are hardened and finished with DAMASKO’s protective DAMEST PVD coating, while the interchangeable insert system adds further versatility. Measuring 14.4 mm in overall height and 50.14 mm from lug to lug, the DC89 has the substantial proportions expected of a technically advanced mechanical chronograph. With its combination of distinctive styling, sophisticated movement engineering and exceptional case construction, the DC89 Blue is an impressive expression of contemporary German watchmaking.
Technical Specifications
Movement
- DAMASKO C51-7 Si mechanical chronograph movement
- Automatic winding
- Top-grade adjustment
- DAMASKO SIC-Spring silicon assembly
- Silicon balance spring and silicon escape wheel
- Rhodium-plated movement plates
- Perlage and Geneva stripe decoration
- 50-hour power reserve
Functions
- Central hours and minutes
- Chronograph with central stop seconds and jumping central stop minutes
- Continuously and sequentially adjustable GMT display at 3 o’clock
- Ability to display up to three time zones
- Supports half-hour time zone offsets
- Date display at 6 o’clock
Case
- Ice-hardened stainless steel
- Hardened case, case back, crown and pushers
- Screwed case back
- Screw-down crown with DAMASKO crown protection system
- Water resistance: 10 bar / 100 metres
- Pressure and vacuum resistant
- Functional reliability under vacuum and acceleration tested and certified to military standards
- Integrated magnetic shielding cage protecting the movement
Crystal
- Double-domed sapphire crystal
- Special anti-reflective coating on the inside
Bezel
- Bidirectional rotating bezel
- 60-minute countdown scale
- Hardened bezel and bezel insert
- DAMEST PVD protective coating
- Interchangeable bezel inserts
Dial
- Blue dial with subtle sunburst finish
- Contrasting white indications
- Chronograph minute counter hand with orange tip
- GMT hand with orange outline and Super-LumiNova
- Date display positioned at 6 o’clock
Hands
- Sword-shaped hour and minute hands
- White hands with silver edging
- Luminova X1 C1 on portions of the hour and minute hands
- Silver seconds hand
- Orange highlights on chronograph minute counter and GMT hand
Dimensions and Weight
- Case diameter: 42.00 mm
- Rotating bezel diameter: 43.80 mm
- Case height excluding crystal: 13.80 mm
- Overall height including domed crystal: 14.40 mm
- Lug-to-lug length: 50.14 mm
- Lug width: 22.00 mm
- Weight excluding strap: 103.00 g



















