Frederique Constant Slimline Moonphase Manufacture vs Hamilton Khaki Field Automatic
Frederique Constant's dress watch meets Hamilton's field watch
Quick Verdict
The Hamilton Khaki Field Automatic ($500–$1,000) delivers Automatic (ETA C07.611 base) technology in the tier below the Frederique Constant Slimline Moonphase Manufacture ($2,500–$5,000). The Khaki Field Automatic measures 38mm and is rated 100m (10 ATM). The Slimline Moonphase Manufacture justifies its premium with Swiss Made heritage and Automatic FC-705 (In-House). Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Frederique Constant Slimline Moonphase Manufacture | Hamilton Khaki Field Automatic |
|---|---|---|
| Price | $2,500–$5,000 | $500–$1,000 |
| Case Size | 42mm | 38mm |
| Movement | Automatic FC-705 (In-House) | Automatic H-10 |
| Caliber Type | In-House Automatic Manufacture | Automatic (ETA C07.611 base) |
| Power Reserve | 42 Hours | 80 Hours |
| Water Resistance | 30m (3 ATM) | 100m (10 ATM) |
| Crystal | Convex Sapphire | Sapphire Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Frederique Constant's design language vs Hamilton's approach
The Frederique Constant Slimline Moonphase Manufacture features a Stainless Steel case at 42mm with Convex Sapphire protection. The Hamilton Khaki Field Automatic offers Stainless Steel construction at 38mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic FC-705 (In-House) vs Automatic H-10
The Slimline Moonphase Manufacture runs the Automatic FC-705 (In-House) (In-House Automatic Manufacture, 42 Hours power reserve) at 28,800 vph (4 Hz) frequency. The Khaki Field Automatic uses the Automatic H-10 (Automatic (ETA C07.611 base), 80 Hours reserve) at 21,600 vph (3 Hz). The Khaki Field Automatic offers a longer power reserve.
Wearability & Fit
42mm vs 38mm — different wrist presence
At 42mm, the Slimline Moonphase Manufacture has a bolder wrist presence compared to the Khaki Field Automatic at 38mm. Water resistance differs: 30m (3 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Hamilton sits in the lower tier
The Frederique Constant Slimline Moonphase Manufacture sits at $2,500–$5,000 and the Hamilton Khaki Field Automatic at $500–$1,000. On the specs that outlast any price: the Slimline Moonphase Manufacture uses Convex Sapphire with 42 Hours, against Sapphire Crystal and 80 Hours on the Khaki Field Automatic. Service intervals are typically 5-7 years for both.
Water Resistance
30m (3 ATM) vs 100m (10 ATM)
The Slimline Moonphase Manufacture is rated to 30m (3 ATM) while the Khaki Field Automatic handles 100m (10 ATM). The Khaki Field Automatic offers superior water resistance.
Materials Face-Off
| Component | Frederique Constant Slimline Moonphase Manufacture | Hamilton Khaki Field Automatic |
|---|---|---|
| Case alloy | Stainless steel 316L (standard mid-range Swiss spec) | Stainless steel, brushed finish. Hamilton does not publish the alloy grade for this reference. |
| Crystal | Synthetic sapphire grown via Verneuil process, Mohs 9, convex (domed) profile, anti-reflective coating Mohs 9 | Verneuil-grown sapphire, single-side AR coating. |
| Lume specification | None (dress watch by design) | Super-LumiNova on the hands and hour numerals. Hamilton lists "Super Luminova: Yes" for this reference and does not publish a grade, so none is claimed here. |
| Dial finishing | Silver lacquer with applied indices and printed moonphase graphic + pointer date scale | Full-grain leather (varies by reference). |
| Strap | Black or brown calfskin leather with signed Frederique Constant buckle | — |
Cost of Ownership Compared
The Hamilton Khaki Field Automatic saves you $4,205 over 5 years of ownership
Who Should Pick Which
Pick the Frederique Constant Slimline Moonphase Manufacture if…
- Those who prioritize scratch resistance — sapphire crystal
- Dress watch seekers who want understated elegance
Pick the Hamilton Khaki Field Automatic if…
- Strong value proposition under $1,000 with quality construction
- Active lifestyle wearers — 100m water resistance handles swimming and water sports
- Weekend warriors — 80-hour power reserve means it survives two days off the wrist
- Those who prioritize scratch resistance — sapphire crystal
- Military/field watch enthusiasts who value legibility and durability
Frederique Constant Slimline Moonphase Manufacture
- Brand recognition below heritage Swiss brands — Longines (1832), Omega, Tudor have stronger name recognition. FC (1988 founding) is a younger brand without the same cultural footprint despite genuine in-house horological credentials
- 42mm wears large for traditional dress watch — modern preference is often 38–40mm for dress; 42mm + slim bezel pushes visual presence larger
- 21mm lug width awkward for aftermarket strap fitment
- 30m WR limits to pure dress use — no swimming, no shower
Hamilton Khaki Field Automatic
- Same H-10 / C07 movement as Tissot PRX and Mido — paying brand premium for the Hamilton heritage
- 3 Hz "slow" seconds beat (visible 6 ticks/sec vs. 8)
- Strap quality is adequate, not exceptional
- No hacking, but movement is auto-only (no hand-wind on the 80h variant — older H-30 caliber refs had it)
Our Verdict
Frederique Constant
Slimline Moonphase Manufacture
Choose the Frederique Constant Slimline Moonphase Manufacture if you prioritize In-House Automatic Manufacture engineering, Swiss Made craftsmanship, and 30m (3 ATM) water resistance. At $2,500–$5,000, it delivers Automatic FC-705 (In-House) with 42 Hours power reserve.
Check Price on AmazonHamilton
Khaki Field Automatic
Choose the Hamilton Khaki Field Automatic if you value Automatic (ETA C07.611 base) technology, Swiss Made heritage, and 38mm proportions. At $500–$1,000, the Automatic H-10 with 80 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Frederique Constant Slimline Moonphase Manufacture and Hamilton Khaki Field Automatic represent two distinct approaches to fine watchmaking — the Frederique Constant bringing Swiss Made tradition while Hamilton delivers Swiss Made engineering.
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