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Model review / Automatic winding

Chronoswiss Delphis Oracle: the hour jumps, the minute returns

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A jumping hour, retrograde minute and fired enamel over guilloché gold. How to read the automatic C.6004-powered Delphis Oracle, and what its 55-hour reserve means for everyday wear.

Published 4 November 20265 min read
Delphis Oracle
Photo: Chronoswiss · Image source

The essentials first

In one minute

Case42 mm
CalibreC.6004
Power reserveApproximately 55 hours

Why it is interesting

The Oracle’s strength: the change of hour becomes a visible event, while the blue enamel dial rewards attention between those transitions.

Things to consider

A thickness of 14.5 mm and an unfamiliar reading layout call for a fitting: theatrical mechanics will not suit every daily routine.

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Chronoswiss · Delphis Oracle

The model in detail

Meet the watch

In the Delphis Oracle, a numeral in a window replaces the hour hand, while the minute hand travels only across the upper arc of the dial. At 60, it returns to the beginning of its scale. That is a retrograde display: a returning pointer rather than another complete revolution. The jumping hour changes its numeral in a discrete step. Together, these events make the turn of an hour a small mechanical performance, while seconds continue on the separate lower dial.

It helps to read this arrangement in a particular order: hour window first, minute arc second, then seconds if required. The familiar angle between two central hands, which often lets us recognise the time almost unconsciously, is absent. In exchange, the owner gets a large hour numeral and space freed from a second central hand. A prospective buyer should assess that trade rather than assume an unusual display is automatically more convenient.

Chronoswiss developed the C.6004, first introduced in 2023, in collaboration with La Joux-Perret. This is an automatic movement: its rotor winds the spring as the watch moves. The technical sheet specifies 37 jewels, a frequency of 4 Hz and approximately 55 hours of power reserve. If fully wound and removed on Friday evening, it may run out before Monday morning. When rotating several watches, that matters more than a component count or the decoration of the rotor.

The transparent caseback reveals the automatic C.6004.Enlarge

The transparent caseback reveals the automatic C.6004.

© Chronoswiss · Source

Details and limitations

Gold does more than form the case. The curved gold dial base carries hand guilloché and fired enamel. Guilloché creates an engraved repeating pattern; translucent colour lets that pattern remain visible beneath the enamel. According to the workshop description, the enamel is applied and fired repeatedly. Part of the Oracle’s appeal is therefore the way relief shows through blue colour, alongside the spectacle of its jumping display.

This particular CH-1421.1E-BLBK has an 18-carat red-gold case measuring 42 mm across and 14.5 mm thick. That is substantial volume for a watch on a rubber strap, particularly beneath a narrow cuff; comfort requires a fitting and cannot be established from a photograph. The technical sheet rates water resistance at 10 bar. That does not remove the need to follow the brand’s instructions and check the condition of seals before exposing it to water. The transparent back offers a second view of the mechanism, allowing its finishing to be appreciated separately from the legibility of the front display.

The edition is limited to 50 pieces. Its place in a collection rests on two distinct pleasures: watching the mechanical transition of an hour and exploring traditional dial craft. Anyone prioritising an instantly familiar time display and a thin case should compare the Oracle with a conventional three-hand watch on their own wrist. Complexity alone cannot make that choice for the owner.

Sources

Chronoswiss: Delphis Oracle, construction and craftschronoswiss.comChronoswiss: Delphis Oracle technical sheetchronoswiss.com