Junghans Form A Automatic vs Hamilton Khaki Field Automatic
Junghans'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 Junghans Form A Automatic ($1,000–$1,500). The Khaki Field Automatic measures 38mm and is rated 100m (10 ATM). The Form A Automatic justifies its premium with Made in Germany heritage and Automatic J800.2 (ETA 2824-2). Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Junghans Form A Automatic | Hamilton Khaki Field Automatic |
|---|---|---|
| Price | $1,000–$1,500 | $500–$1,000 |
| Case Size | 39.3mm | 38mm |
| Movement | Automatic J800.2 (ETA 2824-2) | Automatic H-10 |
| Caliber Type | Swiss ETA Base, German-Finished | Automatic (ETA C07.611 base) |
| Power Reserve | 38 Hours | 80 Hours |
| Water Resistance | 50m (5 ATM) | 100m (10 ATM) |
| Crystal | Flat Sapphire with Anti-Reflective Coating | 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 Hamilton's approach
The Junghans Form A Automatic features a Stainless Steel case at 39.3mm with Flat Sapphire with Anti-Reflective Coating 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 J800.2 (ETA 2824-2) vs Automatic H-10
The Form A Automatic runs the Automatic J800.2 (ETA 2824-2) (Swiss ETA Base, German-Finished, 38 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
39.3mm vs 38mm — different wrist presence
At 39.3mm, the Form A Automatic has a bolder wrist presence compared to the Khaki Field Automatic at 38mm. Water resistance differs: 50m (5 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Hamilton sits in the lower tier
The Junghans Form A Automatic sits at $1,000–$1,500 and the Hamilton Khaki Field Automatic at $500–$1,000. On the specs that outlast any price: the Form A Automatic uses Flat Sapphire with Anti-Reflective Coating with 38 Hours, against Sapphire Crystal and 80 Hours on the Khaki Field Automatic. Service intervals are typically 5-7 years for both.
Water Resistance
50m (5 ATM) vs 100m (10 ATM)
The Form A Automatic is rated to 50m (5 ATM) while the Khaki Field Automatic handles 100m (10 ATM). The Khaki Field Automatic offers superior water resistance.
Materials Face-Off
| Component | Junghans Form A Automatic | Hamilton Khaki Field Automatic |
|---|---|---|
| Case alloy | 316L stainless steel — standard grade for mid-range watchmaking. Hypoallergenic, corrosion-resistant. | Stainless steel, brushed finish. Hamilton does not publish the alloy grade for this reference. |
| Crystal | Flat sapphire (Mohs 9) with anti-reflective coating on the underside — provides excellent clarity with minimal internal glare. Note — Unlike the Max Mohs 9 | Verneuil-grown sapphire, single-side AR coating. |
| Caseback crystal | Tinted mineral glass (smoke/grey tint) — provides partial view of the movement while maintaining a subtle aesthetic. | 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 material | Brass-base dial with matte silver lacquer finish, embossed (stamped) square minute track producing three-dimensional relief. | Full-grain leather (varies by reference). |
| Strap | Black calfskin leather with polished stainless steel pin buckle. Leather is adequate quality but not luxury-grade. | — |
Cost of Ownership Compared
The Hamilton Khaki Field Automatic saves you $991 over 5 years of ownership
Who Should Pick Which
Pick the Junghans Form A Automatic if…
- Enthusiasts wanting proven Swiss/Japanese quality in the $1,000–$2,000 sweet spot
- 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
Junghans Form A Automatic
- ETA 2824-2 at a $1,000–$1,500 band price — fair value but not prestige movement. NOMOS offers in-house for only slightly more.
- 38-hour power reserve — leaves unworn for a weekend and it's stopped by Monday
- No lume / dress-only — not versatile for active or outdoor use
- Limited US distribution — difficult to try on in person outside major cities
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
Junghans
Form A Automatic
Choose the Junghans Form A Automatic if you prioritize Swiss ETA Base, German-Finished engineering, Made in Germany craftsmanship, and 50m (5 ATM) water resistance. At $1,000–$1,500, it delivers Automatic J800.2 (ETA 2824-2) with 38 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 Junghans Form A Automatic and Hamilton Khaki Field Automatic represent two distinct approaches to fine watchmaking — the Junghans bringing Made in Germany tradition while Hamilton 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.

