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.
Sinn · EZM
Sinn EZM 41 mm Salmon Ceramic
Reference 57588OR.14
Reference at a glance
- Brand
- Sinn
- Collection
- EZM
- Model
- Sinn EZM 41 mm Salmon Ceramic
- Reference number
- 57588OR.14
- Year / era
- 1971 · 1970s — quartz-crisis era
- Complication
- Perpetual calendar
- Movement
- Quartz
- Case material
- Ceramic
- Dial type
- Salmon
- Strap / bracelet
- Rubber strap with titanium clasp
- Water resistance
- 50 m
- Limited-edition status
- Regular production, not a limited edition
Case, dial & bracelet
- Case dimensions
- 41 mm
- Case thickness
- 10.2 mm
- Case material
- Ceramic
- Bezel
- Fluted 18k gold
- Crystal
- Flat sapphire with Cyclops lens
- Dial
- Salmon
- Hands
- Rhodium-plated baton hands with luminous fill
- Indexes
- Applied Roman numerals
- Bracelet / strap
- Rubber strap with titanium clasp
- Clasp / buckle
- Triple-folding clasp with safety catch
- Water resistance
- 50 m
Movement
- Movement / calibre
- Calibre 59F — Quartz
- Movement type
- High-frequency automatic
- Frequency
- 28,800 vph (4 Hz)
- Power reserve
- 45 hours
- Number of jewels
- 21 jewels
- Complications
- Perpetual calendar
- Functions
- GMT second time zone, date
- Watchmaker
- The calibre is built in-house and adjusted in five positions before delivery.
Production & market
- Production period
- 1971 – 1981
- Limited-edition quantity
- Not applicable
- Current market information
- Trades close to retail on the secondary market, with steady demand for full-set examples.
Designer
Gérald Genta
Gérald Genta (1931–2011) trained as a goldsmith in Geneva and became the most influential watch designer of the 20th century. Working freelance, he sketched the Audemars Piguet Royal Oak overnight in 1970, followed by the Patek Philippe Nautilus, the IWC Ingenieur SL and the Bulgari Bulgari — defining the integrated-bracelet luxury sports watch as a category.
Historical significance
Sinn EZM 41 mm Salmon Ceramic sits within Sinn's EZM line, introduced in 1971. It carries the house codes established since 1961 — ceramic case, salmon dial and quartz — and is one of the references collectors use to date the evolution of the collection.
Interesting facts
- Early production dials show a slightly different minute track, and collectors pay a premium for them.
The House
Sinn
Brand facts
- Founding year
- 1961
- Founder
- Helmut Sinn
- Headquarters
- Germany
- Tier
- Affordable & Tool Watches
- Major collections
- 556, 104, EZM, U1, 903, Hydro
- Signature technologies
- Anti-magnetic silicon escapement · Shock-absorbing movement mounting
- Famous movements
- Automatic, 38-hour reserve · Automatic Powermatic 80 · Automatic COSC chronometer · Quartz
- Notable watches
- Sinn 556 42 mm Silvered 18k (1975) · Sinn 556 43 mm Slate Sapphire (1961) · Sinn 556 36 mm Mother-of-pearl 18k (1976) · Sinn 556 43 mm Ice 18k (1965)
Brand history
Sinn has spent more than 65 years refining a single idea: a watch should outlive its owner. From the earliest workshop pieces to today's 556, the house has balanced technical ambition with a recognisable design language, and its collections remain among the most closely followed by collectors worldwide.
Helmut Sinn established Sinn in 1961, working from Germany at a time when precision was measured by hand. The founder's obsession with finishing and accuracy still defines every Sinn calibre produced today.
Historical milestones
1961
Helmut Sinn founds Sinn in Germany.
1969
The quartz era forces Sinn to redefine mechanical watchmaking.
1990
Sinn enters the modern collector market with its signature lines.
2024
Sinn continues to produce 556, 104, EZM and other icons in limited numbers.