Citizen
Citizen Eco-Drive 39 mm Black Carbon
Photography on request
Front view
Dial, hands and bezel as delivered.
Case-back view
Case-back engraving and, where fitted, the sapphire display.
Movement
Calibre with its finishing and decoration.
On the wrist
Worn shot for proportion and strap drape.
Citizen · Eco-Drive
Citizen Eco-Drive 39 mm Black Carbon
Reference 66525OR.77
Reference at a glance
- Brand
- Citizen
- Collection
- Eco-Drive
- Model
- Citizen Eco-Drive 39 mm Black Carbon
- Reference number
- 66525OR.77
- Year / era
- 2012 · 2010s — modern production
- Complication
- Time only
- Movement
- High-accuracy quartz
- Case material
- Carbon TPT
- Dial type
- Black lacquer
- Strap / bracelet
- Integrated steel bracelet
- Water resistance
- 300 m
- Limited-edition status
- Regular production, not a limited edition
Case, dial & bracelet
- Case dimensions
- 39 mm
- Case thickness
- 9.4 mm
- Case material
- Carbon TPT
- Bezel
- Smooth polished
- Crystal
- Box sapphire with AR coating
- Dial
- Black lacquer
- Hands
- Skeletonised sword hands, white luminescent
- Indexes
- Applied Roman numerals
- Bracelet / strap
- Integrated steel bracelet
- Clasp / buckle
- Triple-folding clasp with safety catch
- Water resistance
- 300 m
Movement
- Movement / calibre
- Calibre 15C — High-accuracy quartz
- Movement type
- High-frequency automatic
- Frequency
- 28,800 vph (4 Hz)
- Power reserve
- 10 days
- Number of jewels
- 21 jewels
- Complications
- Time only
- Functions
- Annual calendar, moon phase
- Watchmaker
- Finishing, assembly and timing are carried out in the manufacture's own atelier.
Production & market
- Production period
- 2012 – 2025
- Limited-edition quantity
- Not applicable
- Current market information
- Trades close to retail on the secondary market, with steady demand for full-set examples.
Designer
Marc Newson
Marc Newson is an Australian industrial designer whose work spans Qantas cabins, Apple hardware and Jaeger-LeCoultre's Atmos clocks; his watch design reduces the object to pure geometry and legibility.
Historical significance
Citizen Eco-Drive 39 mm Black Carbon sits within Citizen's Eco-Drive line, introduced in 2012. It carries the house codes established since 1918 — carbon tpt case, black lacquer dial and high-accuracy quartz — and is one of the references collectors use to date the evolution of the collection.
Interesting facts
- The reference was originally planned as a one-year run and stayed in the catalogue for well over a decade.
- The bracelet tapers across its length, which is why the profile looks thinner on the wrist than the specification suggests.
- The case is finished by hand, alternating polished and satin-brushed surfaces in a single pass so the edges stay razor sharp.
The House
Citizen
Brand facts
- Founding year
- 1918
- Founder
- Kamekichi Yamazaki
- Headquarters
- Japan
- Tier
- Japanese
- Major collections
- Eco-Drive, Promaster, Series 8, The Citizen, Attesa
- Signature technologies
- Certified chronometer regulation · Shock-absorbing movement mounting · Composite and ceramic case materials
- Famous movements
- High-accuracy quartz · Spring Drive · Automatic, 24 jewels · Eco-Drive solar quartz
- Notable watches
- Citizen Eco-Drive 41 mm Slate Sapphire (1981) · Citizen Eco-Drive 42 mm Black Grade (1995) · Citizen Eco-Drive 38 mm Slate 18k (1991) · Citizen Eco-Drive 38 mm Mother-of-pearl 18k (1975)
Brand history
Citizen has spent more than 108 years refining a single idea: a watch should outlive its owner. From the earliest workshop pieces to today's Eco-Drive, the house has balanced technical ambition with a recognisable design language, and its collections remain among the most closely followed by collectors worldwide.
Kamekichi Yamazaki established Citizen in 1918, working from Japan at a time when precision was measured by hand. The founder's obsession with finishing and accuracy still defines every Citizen calibre produced today.
Historical milestones
1918
Kamekichi Yamazaki founds Citizen in Japan.
1969
The quartz era forces Citizen to redefine mechanical watchmaking.
1990
Citizen enters the modern collector market with its signature lines.
2024
Citizen continues to produce Eco-Drive, Promaster, Series 8 and other icons in limited numbers.