Junghans Max Bill Chronoscope vs Longines Master Collection Moonphase
Junghans's chronograph meets Longines's dress watch
Quick Verdict
The Junghans Max Bill Chronoscope ($2,500–$5,000) and Longines Master Collection Moonphase ($2,500–$5,000) are closely matched timepieces at similar price points. The Max Bill Chronoscope emphasizes Automatic (ETA 2824-2 base) engineering while the Master Collection Moonphase focuses on Swiss Made craftsmanship.
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Specifications Compared
| Feature | Junghans Max Bill Chronoscope | Longines Master Collection Moonphase |
|---|---|---|
| Price | $2,500–$5,000 | $2,500–$5,000 |
| Case Size | 40mm | 40mm |
| Movement | Automatic Caliber J880.2 | Automatic Caliber L899 |
| Caliber Type | Automatic (ETA 2824-2 base) | Automatic (ETA A31.L91 base) |
| Power Reserve | 48 Hours | 72 Hours |
| Water Resistance | Splash Resistant | 30m (3 ATM) |
| Crystal | Convex Hard Plexiglass (SICRALAN coated) | Sapphire Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Made in Germany | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Junghans's design language vs Longines's approach
The Junghans Max Bill Chronoscope features a Stainless Steel case at 40mm with Convex Hard Plexiglass (SICRALAN coated) protection. The Longines Master Collection Moonphase offers Stainless Steel construction at 40mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Caliber J880.2 vs Automatic Caliber L899
The Max Bill Chronoscope runs the Automatic Caliber J880.2 (Automatic (ETA 2824-2 base), 48 Hours power reserve) at 28,800 vph (4 Hz) frequency. The Master Collection Moonphase uses the Automatic Caliber L899 (Automatic (ETA A31.L91 base), 72 Hours reserve) at 25,200 vph (3.5 Hz). The Master Collection Moonphase offers a longer power reserve.
Wearability & Fit
40mm vs 40mm — different wrist presence
At 40mm, the Max Bill Chronoscope is similarly sized compared to the Master Collection Moonphase at 40mm. Water resistance differs: Splash Resistant vs 30m (3 ATM).
Value & Cost of Ownership
Same tier — different value propositions
The Junghans Max Bill Chronoscope sits at $2,500–$5,000 and the Longines Master Collection Moonphase at $2,500–$5,000. On the specs that outlast any price: the Max Bill Chronoscope uses Convex Hard Plexiglass (SICRALAN coated) with 48 Hours, against Sapphire Crystal and 72 Hours on the Master Collection Moonphase. Service intervals are typically 5-7 years for both.
Water Resistance
Splash Resistant vs 30m (3 ATM)
The Max Bill Chronoscope is rated to Splash Resistant while the Master Collection Moonphase handles 30m (3 ATM). The Master Collection Moonphase offers superior water resistance.
Materials Face-Off
| Component | Junghans Max Bill Chronoscope | Longines Master Collection Moonphase |
|---|---|---|
| Case alloy | Stainless steel 316L. | Stainless steel 316L (standard mid-range Swiss spec). |
| Crystal | Convex hard plexiglass (acrylic) with SICRALAN scratch-resistant coating — a Junghans proprietary surface treatment that hardens the acrylic and give | Synthetic sapphire grown via Verneuil process, Mohs 9, anti-reflective coating on interior. Mohs 9 |
| Lume specification | Not applicable — the Max Bill dial does not use lume. | None (dress watch by design). |
| Strap material | Calfskin leather (black, brown variants), nubuck, or Milanese mesh stainless steel bracelet. | Barleycorn guilloché — fine textured pattern resembling barley seed heads, machine-engraved or stamped into the dial brass disc. One of horology's cl |
| Hand finishing | — | Blued steel via thermal treatment (heat-blued) or chemical bluing process. |
Cost of Ownership Compared
The Junghans Max Bill Chronoscope saves you $319 over 5 years of ownership
Who Should Pick Which
Pick the Junghans Max Bill Chronoscope if…
- Those who prioritize scratch resistance — sapphire crystal
- Chronograph enthusiasts looking for a proven timing instrument
- Dress watch seekers who want understated elegance
- Heritage enthusiasts drawn to ** Junghans's historical pedigree
Pick the Longines Master Collection Moonphase if…
- Weekend warriors — 72-hour power reserve means it survives two days off the wrist
- Those who prioritize scratch resistance — sapphire crystal
- Dress watch seekers who want understated elegance
Junghans Max Bill Chronoscope
- Valjoux 7750 base at a $1,500–$2,500 band price. Some buyers feel the base movement doesn't justify the retail price. The defense: you pay for the design heritage and German assembly, not the movement engineering.
- Acrylic crystal scratches. The SICRALAN coating helps but doesn't make it sapphire-equivalent. Buyers expecting absolute scratch resistance should choose a sapphire-crystal sibling reference.
- No lume. The Max Bill dial is intentionally lume-free — Bauhaus design principles take precedence over practical readability in the dark.
- 14.4mm thickness. The 7750-based Chronoscope is inevitably thick for what reads visually as a slim dress watch. The proportions feel less honest than the 38mm time-only Max Bill Automatic.
Longines Master Collection Moonphase
- ETA A31 base at this price — though Longines-exclusive, the architecture is shared platform. Some buyers expect in-house at this price.
- 30m water resistance — strictly dress watch use; no swimming, no shower
- Moonphase indication is rough — like most "simple" moonphase movements, the 29.5-day approximation is imprecise vs. actual 29.53-day lunar cycle (requires ~1-day adjustment every 2.5 years)
- 3.5 Hz frequency is unusual — not as smooth as 4 Hz peers
Our Verdict
Junghans
Max Bill Chronoscope
Choose the Junghans Max Bill Chronoscope if you prioritize Automatic (ETA 2824-2 base) engineering, Made in Germany craftsmanship, and Splash Resistant water resistance. At $2,500–$5,000, it delivers Automatic Caliber J880.2 with 48 Hours power reserve.
Check Price on AmazonLongines
Master Collection Moonphase
Choose the Longines Master Collection Moonphase if you value Automatic (ETA A31.L91 base) technology, Swiss Made heritage, and 40mm proportions. At $2,500–$5,000, the Automatic Caliber L899 with 72 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Junghans Max Bill Chronoscope and Longines Master Collection Moonphase represent two distinct approaches to fine watchmaking — the Junghans bringing Made in Germany tradition while Longines delivers Swiss Made engineering.
Frequently Asked Questions
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How This Page Was Made
Our comparisons are generated from a hand-maintained specification database and reviewed under our editorial standards. We use AI tools to assemble pages from that data. We don’t invent specs: every number traces back to the database, and when we correct an entry, the fix is applied site-wide. As an Amazon Associate, The Horologist earns from qualifying purchases.