F.P. Journe

Octa Reserve de Marche

Name: F.P. Journe Octa Reserve de Marche RDM
Brand: F.P. Journe
SKU: RDM

Ref. RDM

2001–present · 40mm · caliber F.P. Journe Cal. 1300 -- in-house automatic, 21,600bph, 120h (5-day) PR; remontoire d'egalite constant-force mechanism delivers consistent torque to the escapement; natural escapement without lever

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Market price

$30,000–$48,000

varies by metal·2026 Q2

Price trend chart coming soon

The Octa Reserve de Marche adds a power reserve indicator to Journe's self-winding Octa platform; secondary prices are slightly above the Octa Automatique, reflecting the additional complication and its visual interest.

▶What do condition grades mean?

New Old Stock

Unworn example retaining original packaging, tags, and warranty documentation. (+30–50% above market)

Unpolished

Worn but the case has never been polished; original brushed and polished surfaces are intact. (+15–25% above market)

Polished

Case has been professionally or amateur polished at some point; edge definition is softened. (-15 to -5% vs. market)

Recently Serviced

Movement has been recently serviced with documented service records; case condition varies. (at market)

Project

Needs service, has dial or hand issues, non-original parts, or other remediation before daily wear. (-50 to -25% vs. market)

Full condition grading guide →

Editorial estimate. Actual prices vary by condition, date, and box/papers status. Live pricing data is in development.

In-house manufacture caliber · caliber F.P. Journe Cal. 1300 -- in-house automatic, 21,600bph, 120h (5-day) PR; remontoire d'egalite constant-force mechanism delivers consistent torque to the escapement; natural escapement without lever

Medium-large: suits wrists 6.5 in+ (16.5 cm+)

40 mm case. Wears confidently on average to larger wrists. May overhang on slender builds.

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Authentication

Retrograde date hand sweeping left to right distinguishes the Octa RDM from all other Octa variants

Known issues in the market

Octa platform confusion is frequent; verify it is specifically the RDM (retrograde date mystery) variant
Date hand retrograde function must be observed: hand sweeps 1-31, then snaps back to 1
Annual calendar corrects automatically for 30/31-day months; verify this is functional

Area	What to check	What is correct	Red flag
dial	Retrograde date display	"RDM" designation on dial; date scale running 1-31 across an arc; single sweeping hand (not rotating disc); "Automatique" designation; "F.P.Journe Genève" signing	Missing "RDM"; rotating disc date rather than sweeping hand; standard date window; incorrect signing
movement	Octa calibre 1300 with retrograde mechanism	Peripheral rotor; 120-hour power reserve; retrograde cam and spring-loaded rack visible through display caseback; annual calendar mechanism corrects automatically for 30-day months	Central rotor; different power reserve specification; no retrograde mechanism visible; wrong calibre number
case	Octa case with crown at 12

Authentication guide

Last reviewed June 2026

The Octa RDM introduced in 2001 was the first FPJ automatic and the first watch with a platinum micro-rotor. Cal. 1300 delivers a 5-day power reserve via a remontoir releasing every 8 seconds. The combination of extreme power reserve and the platinum micro-rotor are the primary authentication anchors.

Known reproduction risks

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HIGH RISK

Non-FPJ movement with standard full rotor in Octa RDM case

Full rotor bridge visible through the caseback instead of the micro-rotor
Movement plates without gold coloring
Power reserve indicator that reads less than 5 days at full wind

MEDIUM

Genuine FPJ CS/CB movement (Cal. 1304) fitted into Octa RDM case

No micro-rotor visible through caseback -- Cal. 1304 is manual-wind
Power reserve arc graduating to 40 hours rather than 5 days

A Cal. 1304 in an Octa case is detectable by the missing micro-rotor and the 40h vs. 120h reserve discrepancy. Movement swaps within the FPJ family sometimes occur at service.

Dial variants by era

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Buying guidance

← Back to Grail Atlas

Era	Description	Identifiers
2001 to 2013 (first generation)	Early Octa RDM with the fan-shaped power reserve arc across the upper dial. Available in silver, champagne, and blue sector dials.	Fan-shaped power reserve arc spanning the upper third of the dial, graduated 0 to 5 days (or 0 to 120H) Date window at 3 with no cyclops Small seconds sub-dial at 9 FPJ Arabic numerals in the same typeface as CS/CB No model name on dial face in early production
2013 to present (second generation)	Revised Octa RDM with updated movement architecture and refined dial proportions.	Same fan-shaped power reserve arc but with slightly larger arc radius than early pieces "OCTA RESERVE DE MARCHE" text added to dial in current production Dial sectors in the same material options with refined finishing quality

Octa Reserve de Marche

Market price