Head-to-Head Comparison

Junghans Max Bill Chronoscope vs Oris Aquis Date Calibre 400

Junghans's chronograph meets Oris's diver

Quick Verdict

The Junghans Max Bill Chronoscope ($2,500–$5,000) and Oris Aquis Date Calibre 400 ($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 Aquis Date Calibre 400 focuses on Swiss Made craftsmanship.

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Junghans Max Bill Chronoscope

Junghans

Max Bill Chronoscope

$2,500–$5,000

Oris Aquis Date Calibre 400

Oris

Aquis Date Calibre 400

$2,500–$5,000

Specifications Compared

FeatureJunghans Max Bill ChronoscopeOris Aquis Date Calibre 400
Price$2,500–$5,000$2,500–$5,000
Case Size40mm41.5mm
MovementAutomatic Caliber J880.2Automatic Calibre 400
Caliber TypeAutomatic (ETA 2824-2 base)Oris In-House Manufacture
Power Reserve48 Hours120 Hours (5 Days)
Water ResistanceSplash Resistant300m (30 ATM)
CrystalConvex Hard Plexiglass (SICRALAN coated)Sapphire Crystal with Anti-Reflective Coating
Case MaterialStainless SteelStainless Steel
OriginMade in GermanySwiss Made

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Junghans's design language vs Oris's approach

The Junghans Max Bill Chronoscope features a Stainless Steel case at 40mm with Convex Hard Plexiglass (SICRALAN coated) protection. The Oris Aquis Date Calibre 400 offers Stainless Steel construction at 41.5mm with Sapphire Crystal with Anti-Reflective Coating. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Oris

Automatic Caliber J880.2 vs Automatic Calibre 400

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 Aquis Date Calibre 400 uses the Automatic Calibre 400 (Oris In-House Manufacture, 120 Hours (5 Days) reserve) at 28,800 vph (4 Hz). The Aquis Date Calibre 400 offers a longer power reserve.

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Wearability & Fit

Edge: Junghans

40mm vs 41.5mm — different wrist presence

At 40mm, the Max Bill Chronoscope wears more compactly on smaller wrists compared to the Aquis Date Calibre 400 at 41.5mm. Water resistance differs: Splash Resistant vs 300m (30 ATM).

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Value & Cost of Ownership

Edge: Draw

Same tier — different value propositions

The Junghans Max Bill Chronoscope sits at $2,500–$5,000 and the Oris Aquis Date Calibre 400 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 with Anti-Reflective Coating and 120 Hours (5 Days) on the Aquis Date Calibre 400. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Oris

Splash Resistant vs 300m (30 ATM)

The Max Bill Chronoscope is rated to Splash Resistant while the Aquis Date Calibre 400 handles 300m (30 ATM). The Aquis Date Calibre 400 offers superior water resistance.

Materials Face-Off

ComponentJunghans Max Bill ChronoscopeOris Aquis Date Calibre 400
Case alloy

Stainless steel 316L.

Oris Caliber 733

Crystal

Convex hard plexiglass (acrylic) with SICRALAN scratch-resistant coating — a Junghans proprietary surface treatment that hardens the acrylic and give

Domed sapphire with anti-reflective coating on inside

Lume specification

Not applicable — the Max Bill dial does not use lume.

Stainless steel 316L (brushed and polished)

Strap material

Calfskin leather (black, brown variants), nubuck, or Milanese mesh stainless steel bracelet.

Unidirectional rotating, scratch-resistant ceramic insert with 60-min dive scale and lume pip

Cost of Ownership Compared

1 yr5 yr10 yr
Junghans Max Bill Chronoscope$2,815
$1.54/day
Purchase: $2,200Service: $450Insurance: $165
Oris Aquis Date Calibre 400$2,873
$1.57/day
Purchase: $2,300Service: $400Insurance: $173

The Junghans Max Bill Chronoscope saves you $58 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 Oris Aquis Date Calibre 400 if…

  • Dive watch enthusiasts — 300m water resistance is proper dive spec
  • Those who prioritize scratch resistance — sapphire crystal
  • Dive watch collectors who appreciate proper ISO-rated tool watches
  • Buyers who prefer a commanding wrist presence — 43mm case

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.

Oris Aquis Date Calibre 400

  • Sellita base movement at this price — fair value but not in-house prestige (Caliber 400 variants resolve).
  • 43.5mm large for smaller wrists (smaller variants available).
  • Proprietary endlinks limit strap options.

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.

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Oris

Aquis Date Calibre 400

Choose the Oris Aquis Date Calibre 400 if you value Oris In-House Manufacture technology, Swiss Made heritage, and 41.5mm proportions. At $2,500–$5,000, the Automatic Calibre 400 with 120 Hours (5 Days) power reserve makes it a compelling choice.

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The Bottom Line

The Junghans Max Bill Chronoscope and Oris Aquis Date Calibre 400 represent two distinct approaches to fine watchmaking — the Junghans bringing Made in Germany tradition while Oris delivers Swiss Made engineering.

Frequently Asked Questions

Neither is objectively better — they serve different preferences. The Junghans Max Bill Chronoscope ($2,500–$5,000) offers Automatic Caliber J880.2 with 48 Hours power reserve, while the Oris Aquis Date Calibre 400 ($2,500–$5,000) features Automatic Calibre 400 with 300m (30 ATM) water resistance. Choose based on your priorities: Made in Germany craftsmanship vs Swiss Made engineering.
Both are priced similarly, making this a question of preference rather than value. The Max Bill Chronoscope emphasizes Automatic (ETA 2824-2 base) technology while the Aquis Date Calibre 400 prioritizes Oris In-House Manufacture precision.
Both are suitable for daily wear. The Max Bill Chronoscope at 40mm with Splash Resistant water resistance handles everyday situations. The Aquis Date Calibre 400 at 41.5mm with 300m (30 ATM) is similarly capable. The Max Bill Chronoscope uses Convex Hard Plexiglass (SICRALAN coated) while the Aquis Date Calibre 400 uses Sapphire Crystal with Anti-Reflective Coating. Sapphire resists scratches noticeably better than acrylic.

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.