Breitling Datora 805, Calendar Moonphase Chronograph, Service Unknown

$6,845.00 USD

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Dispatch: Prepared and sent from Tokyo within 7–14 days, often sooner, or as arranged
Arrival: Vereinigte Staaten · usually 4–7 days after dispatch, insured and tracked
Import: Duties and customs · View the estimate

A guide for this piece: about $684, based on the 10% US charge on the declared value of goods made in Japan.

The final figure is set by US Customs and depends on where the piece was made and the kind of object it is. Many antiques over a century old carry no ordinary duty; most jewellery and leather goods add a single-digit rate.

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Day and month windows sit above a moonphase display on this Datora 805.

The Piece

The photographed dial also carries chronograph registers and a perimeter date scale, giving several separate mechanisms to assess rather than a single time display. The recovered individual description records steel, silver dial colour and hand winding. It asserts original movement and hands, but that assertion has not been independently established. Crucially, it says no overhaul was performed during the stated custody period, earlier maintenance and polishing histories are unknown, and no pressure test was carried out. A flat-position+35 seconds-per-day reading with 249-degree amplitude remains a historical reference, not present operating evidence.

Details

Reference: 805, Datora
Material: Stainless steel described
Movement: Hand-wound, historically described
Display: Day/month, date scale, moonphase and chronograph registers visible
Dial: Silver colour;ageing not excluded
Case width: Approximately 35 mm (1.38 in), excluding crown
Wrist measure: Maximum approximately 18.5 cm (7.3 in)
Maintenance: No overhaul in stated custody;earlier history unknown;no pressure test

Dimensions and masses are historical records, not fresh in-house measurements or packed shipping weights.

Condition

No separate Japanese letter grade is given. Scratches are recorded on the crystal, case, back and buckle. Age-related dial stains or discolouration and changes to hands and indices are explicitly cautioned. The historical rate and amplitude cannot establish that the calendar, moonphase or chronograph now works correctly. See every photograph before deciding; they are part of the description. See Japanese condition ranks.

Authenticity & Care

Keep the watch dry until its present seals and operating condition have been examined. Confirm the correct setting and winding sequence for the actual movement with a qualified watchmaker. A historical inspection or repair does not establish current rate, reserve, battery life or water resistance. No transferable maker or third-party service coverage is promised. Do not operate calendar correctors or chronograph controls until the correct sequence and mechanism state have been checked. The moonphase image does not prove correct advancement or present calendar synchronisation.