Description
Damasko DC89 GMT Black Blue
The Damasko DC89 GMT Black Blue brings an unmistakable technical character to the German manufacturer’s innovative GMT chronograph collection. Combining a rich blue sunburst dial with a black DAMEST® PVD-coated stainless steel case and bezel, this distinctive timepiece presents a bold interpretation of Damasko’s precision-driven watchmaking philosophy. Beyond its striking appearance lies an advanced mechanical chronograph capable of displaying up to three time zones, incorporating an unusual GMT complication and jumping central minute counter. Every aspect of the watch reflects Damasko’s commitment to engineering innovation, dependable functionality and exceptional material durability.
The black case is a defining characteristic of this model, with all stainless steel components protected by Damasko’s patented DAMEST® coating. Applied over ice-hardened stainless steel, this specialised multi-layer PVD treatment is engineered to provide outstanding resistance to abrasion and everyday surface wear. The coating incorporates an ion implantation bonding layer and is supported by the hardened underlying steel, creating a particularly robust combination of surface protection and structural strength. The case, screwed case back, crown and chronograph pushers share this sophisticated construction, producing a cohesive black finish that contrasts beautifully with the blue dial.
Powering the DC89 GMT Black Blue is the Damasko C51-7 Si chronograph movement, featuring the manufacturer’s latest SIC-Spring silicon assembly. Its silicon balance spring and silicon escape wheel are designed to support precise and consistent mechanical operation, drawing upon Damasko’s extensive expertise in advanced movement components. Adjusted to top-grade standards, the movement incorporates rhodium-plated plates decorated with perlage and Geneva stripes, offering an interesting combination of contemporary materials and traditional watchmaking finishes. A 50-hour power reserve completes this technically sophisticated calibre.
The DC89’s most unusual complication combines a continuously adjustable GMT display at 3 o’clock with a jumping central chronograph minute counter. Damasko describes this innovative arrangement as a world first, allowing up to three time zones to be displayed while accommodating half-hour time differences. Central hour and minute hands are accompanied by centrally indicated chronograph seconds and minutes, creating a highly functional arrangement for measuring elapsed time. A clearly positioned date display at 6 o’clock completes the dial’s practical information layout.
The blue sunburst dial provides a visually compelling contrast against the black-coated case, bringing colour and depth to an otherwise distinctly technical design. White sword-shaped hands with silver edging maintain legibility, while orange highlights identify the chronograph minute counter and GMT indication. The GMT hand incorporates Super-LumiNova, with Luminova X1 C1 applied to portions of the hour and minute hands. A double-domed sapphire crystal with an internal anti-reflective coating protects the dial, while Damasko’s magnetic shielding cage provides an additional layer of protection for the mechanical movement.
Completing the DC89 GMT Black Blue is a bidirectional rotating bezel with a 60-minute countdown scale, featuring hardened construction and the same protective black DAMEST® coating. Compatible interchangeable bezel inserts add further versatility, while Damasko’s specialised screw-down crown system, pressure-resistant construction and 100-metre water resistance reinforce the watch’s practical capabilities. Measuring 42 mm in diameter and 14.4 mm in overall height, this sophisticated chronograph combines a commanding black-and-blue appearance with exceptional German engineering. The result is a distinctive mechanical instrument that offers genuine technical substance beneath its contemporary styling.
Technical Specifications
Movement
- Damasko C51-7 Si mechanical chronograph movement
- Top-grade adjustment
- Latest-generation Damasko SIC-Spring silicon assembly
- Silicon balance spring and silicon escape wheel
- Rhodium-plated movement plates
- Perlage and Geneva stripe decoration
- Power reserve: 50 hours
Functions
- Central hour and minute indication
- Chronograph with central stop seconds and jumping central stop minutes
- Sliding GMT display at 3 o’clock
- Continuously and sequentially adjustable second time zone
- Display of up to three time zones
- Compatible with half-hour time zone differences
- Date display at 6 o’clock
Case
- Ice-hardened stainless steel
- Black DAMEST® multi-layer PVD coating
- All stainless steel components protected by DAMEST® coating
- Ice-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
DAMEST® Coating
- Patented black multi-layer protective coating
- Applied over ice-hardened stainless steel
- Physical Vapour Deposition (PVD) technology
- Ion implantation bonding layer
- Approximately 7 µm multi-layer coating
- Engineered for high scratch and abrasion resistance
- Designed to combine surface hardness with flexibility and impact resilience
Crystal
- Double-domed sapphire crystal
- Special anti-reflective coating on the inner surface
Bezel
- Bidirectional rotating bezel
- 60-minute countdown scale
- Hardened bezel and bezel insert
- Black DAMEST® PVD coating
- Compatible interchangeable bezel inserts
Dial
- Blue dial with subtle sunburst finish
- Contrasting white hands and indications
- Chronograph minute counter hand with orange tip
- GMT hand with orange outline and Super-LumiNova
- Date display at 6 o’clock
Hands
- Sword-shaped hour and minute hands
- White hour and minute hands with silver edging
- Luminova X1 C1 on portions of the hour and minute hands
- Silver seconds hand
- Orange highlights on the chronograph minute counter and GMT hand
Magnetic Protection
- Integrated magnetic field protection cage
- Magnetic shielding surrounding the movement
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









