Longines HydroConquest Automatic vs Bulova Lunar Pilot Chronograph
Longines's diver meets Bulova's chronograph
Quick Verdict
The Bulova Lunar Pilot Chronograph (~$556) delivers High-Performance Quartz technology at $1,444 less than the Longines HydroConquest Automatic (~$2,000). The HydroConquest Automatic justifies its premium with Swiss Made heritage and Automatic L888.5. Both represent excellent choices in the luxury watch category.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Longines HydroConquest Automatic | Bulova Lunar Pilot Chronograph |
|---|---|---|
| Price | ~$2,000 | ~$556 |
| Case Size | 41mm | 45mm |
| Movement | Automatic L888.5 | High-Performance 262kHz Quartz |
| Caliber Type | ETA-Based Automatic with Silicon Balance Spring | High-Performance Quartz |
| Power Reserve | 72 Hours | N/A (Quartz) |
| Water Resistance | 300m (30 ATM) | 50m (5 ATM) |
| Crystal | Sapphire with Anti-Reflective Coating | Sapphire Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Made in Japan (Citizen Group) |
Category-by-Category Analysis
Design & Aesthetics
Longines's design language vs Bulova's approach
Movement & Performance
Automatic L888.5 vs High-Performance 262kHz Quartz
Wearability & Fit
41mm vs 45mm — different wrist presence
Value & Cost of Ownership
Bulova is $1,444 more affordable
Water Resistance
300m (30 ATM) vs 50m (5 ATM)
Materials Face-Off
| Component | Longines HydroConquest Automatic | Bulova Lunar Pilot Chronograph |
|---|---|---|
| Ceramic Bezel | Zirconium oxide (ZrO₂) with engraved and paint-filled 60-minute dive scale Mohs 8.5 | Bulova High Performance Quartz, 262 kHz (262,144 Hz) |
| Sapphire Crystal | Flat sapphire with anti-reflective coating on the underside Mohs 9 | Sapphire with anti-reflective coating |
| Silicon Balance Spring | Si hairspring in the L888.5 caliber — introduced 2020 across the HydroConquest line | Stainless steel 316L (brushed and polished) |
| 316L Stainless Steel | Brushed flanks with polished bevel edges — mixed finishing for visual depth | Fixed tachymeter |
| Super-LumiNova | Applied to sword-style hands and all hour indices | — |
Cost of Ownership Compared
The Bulova Lunar Pilot Chronograph saves you $1,579 over 5 years of ownership
Who Should Pick Which
Pick the Longines HydroConquest Automatic if…
- Best-in-class 72-hour power reserve at sub-$2,000
- Silicon hairspring antimagnetic protection at an accessible price
- Swiss heritage enthusiasts — Longines' 1832 founding and Olympic/aviation history
- Legitimate 300m dive capability with everyday wearability
- Value seekers — at grey-market $1,350 the spec-per-dollar is nearly unbeatable
Pick the Bulova Lunar Pilot Chronograph if…
- Strong value proposition under $1,000 with quality construction
- Those who prioritize scratch resistance — sapphire crystal
- Chronograph enthusiasts looking for a proven timing instrument
- Heritage enthusiasts drawn to ** Bulova's historical pedigree
- Buyers who prefer a commanding wrist presence — 45mm case
Longines HydroConquest Automatic
- ETA-base movement at $1,750 — excellent but not "in-house" in the purist sense
- 21mm lug width — awkward for aftermarket straps (most are 20mm or 22mm)
- 25,200 vph (3.5 Hz) — seconds hand sweep is less smooth than 28,800 vph competitors
- Not COSC-certified — no chronometer guarantee (unlike Tudor or Omega at similar prices)
Bulova Lunar Pilot Chronograph
- 45mm is large.
- Quartz won't satisfy mechanical purists.
- Bulova brand prestige is below Omega; some buyers feel the brand undersells the Apollo provenance.
Our Verdict
Longines
HydroConquest Automatic
Choose the Longines HydroConquest Automatic if you prioritize ETA-Based Automatic with Silicon Balance Spring engineering, Swiss Made craftsmanship, and 300m (30 ATM) water resistance. At ~$2,000, it delivers Automatic L888.5 with 72 Hours power reserve.
Check Price on AmazonBulova
Lunar Pilot Chronograph
Choose the Bulova Lunar Pilot Chronograph if you value High-Performance Quartz technology, Made in Japan (Citizen Group) heritage, and 45mm proportions. At ~$556, the High-Performance 262kHz Quartz with N/A (Quartz) power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Longines HydroConquest Automatic and Bulova Lunar Pilot Chronograph represent two distinct approaches to fine watchmaking — the Longines bringing Swiss Made tradition while Bulova delivers Made in Japan (Citizen Group) engineering.
Frequently Asked Questions
More Comparisons
Tudor Black Bay 58 vs Longines HydroConquest
Is the $2,200 price jump to Tudor justified?
Bulova Lunar Pilot vs Hamilton Intra-Matic Chrono
Moon-worn quartz precision meets Swiss automatic heritage
Tag Heuer Carrera Chronograph vs Longines HydroConquest Automatic
Tag Heuer's chronograph meets Longines's diver

