- Brand Zenith
- Reference number Ref. 5011 K
- Model name Marine Chronometer (Ecole de Microtechnique)
- Production year 1956
- Serial number Private — disclosed on request
CM Zenith 5011 Ecole de Microtechnique Marine Chronometer (copy 1)
Breathable mesh-back cap
Size: Onesize
View size guideOriginal price was: $3 499.00.$2 499.00Current price is: $2 499.00.
Details
CM Zenith 5011 Ecole de Microtechnique Marine Chronometer (copy 1)
Six-panel trucker cap with a curved brim and adjustable snapback. Quick-drying mesh back keeps you cool.
- Case material Mahogany box with brass fittings; chromed brass bowl
- Case diameter (mm) —
- Case thickness —
- Lug width —
- Case shape Boxed marine chronometer
- Water resistance Not applicable
- Case condition Excellent — museum-grade
- Dial color White enamel
- Dial material Enamel on copper
- Index type Painted roman, subsidiary seconds + power reserve
- Lume presence None
- Patina None
- Original / restored Original
- Caliber Zenith cal. 5011K
- Movement type Manual winding, fusee + gimbal-mounted
- Power reserve 56 h
- Frequency 18,000 vph
- Chronometer certified Yes — Neuchâtel Observatory certified
- Serviced Yes — full overhaul 2023
- Bracelet material Not applicable
- Strap material —
- Original bracelet —
- Clasp type —
- Original / restored —
- Box Yes — original mahogany box
- Papers Yes — original rating certificate
- Extract of archive Yes — Zenith heritage confirmed
- Service history Documented services 1985, 2023
- Provenance Naval academy training set, then private hands
- Certificate Neuchâtel Observatory certificate
- Print Yes
- Limited edition number —
- Production volume Estimated ~300 pieces
- Auction comparable Phillips Geneva 2021, lot 22 — CHF 42,000
- Rarity level Very rare
- Condition grade A+ — museum quality
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