Hamilton Khaki Field Automatic vs Seiko Presage Cocktail Time
Hamilton's field watch meets Seiko's dress watch
Quick Verdict
The Seiko Presage Cocktail Time ($250–$500) delivers Seiko In-House Automatic technology in the tier below the Hamilton Khaki Field Automatic ($500–$1,000). The Presage Cocktail Time measures 40.5mm and is rated 50m (5 ATM). The Khaki Field Automatic justifies its premium with Swiss Made heritage and Automatic H-10. Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Hamilton Khaki Field Automatic | Seiko Presage Cocktail Time |
|---|---|---|
| Price | $500–$1,000 | $250–$500 |
| Case Size | 38mm | 40.5mm |
| Movement | Automatic H-10 | Automatic Caliber 4R35 |
| Caliber Type | Automatic (ETA C07.611 base) | Seiko In-House Automatic |
| Power Reserve | 80 Hours | 41 Hours |
| Water Resistance | 100m (10 ATM) | 50m (5 ATM) |
| Crystal | Sapphire Crystal | Hardlex Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Hamilton's design language vs Seiko's approach
The Hamilton Khaki Field Automatic features a Stainless Steel case at 38mm with Sapphire Crystal protection. The Seiko Presage Cocktail Time offers Stainless Steel construction at 40.5mm with Hardlex Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic H-10 vs Automatic Caliber 4R35
The Khaki Field Automatic runs the Automatic H-10 (Automatic (ETA C07.611 base), 80 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Presage Cocktail Time uses the Automatic Caliber 4R35 (Seiko In-House Automatic, 41 Hours reserve) at 21,600 vph (3 Hz). The Khaki Field Automatic edges ahead on power reserve.
Wearability & Fit
38mm vs 40.5mm — different wrist presence
At 38mm, the Khaki Field Automatic wears more compactly on smaller wrists compared to the Presage Cocktail Time at 40.5mm. Water resistance differs: 100m (10 ATM) vs 50m (5 ATM).
Value & Cost of Ownership
Seiko sits in the lower tier
The Hamilton Khaki Field Automatic sits at $500–$1,000 and the Seiko Presage Cocktail Time at $250–$500. On the specs that outlast any price: the Khaki Field Automatic uses Sapphire Crystal with 80 Hours, against Hardlex Crystal and 41 Hours on the Presage Cocktail Time. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 50m (5 ATM)
The Khaki Field Automatic is rated to 100m (10 ATM) while the Presage Cocktail Time handles 50m (5 ATM). The Khaki Field Automatic is better suited for water activities.
Materials Face-Off
| Component | Hamilton Khaki Field Automatic | Seiko Presage Cocktail Time |
|---|---|---|
| Case | Stainless steel, brushed finish. Hamilton does not publish the alloy grade for this reference. | Stainless steel (Seiko's standard mid-range alloy) |
| Crystal | Verneuil-grown sapphire, single-side AR coating. | Hardlex (Seiko's proprietary hardened mineral) — not sapphire (a cost-control decision to maintain $425 price point) |
| Lume | 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. | None (intentional — dress watch design) |
| Strap | Full-grain leather (varies by reference). | Multi-stage sunray brushing radiating from center; applied faceted indices |
| Strap | — | Brown calfskin leather (or 5-link stainless steel bracelet on .14 reference variants) |
Cost of Ownership Compared
The Seiko Presage Cocktail Time saves you $261 over 5 years of ownership
Who Should Pick Which
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
Pick the Seiko Presage Cocktail Time if…
- Budget-conscious buyers wanting serious quality under $500
- Those who prioritize scratch resistance — sapphire crystal
- Dress watch seekers who want understated elegance
- Heritage enthusiasts drawn to ** Seiko's historical pedigree
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)
Seiko Presage Cocktail Time
- Hardlex (not sapphire) — first thing many owners wish were different at this price
- 4R35 accuracy variance — unit-to-unit variation common
- Limited lume = none — intentional dress watch design but limits low-light use
- Leather strap quality is adequate — many owners upgrade
Our Verdict
Hamilton
Khaki Field Automatic
Choose the Hamilton Khaki Field Automatic if you prioritize Automatic (ETA C07.611 base) engineering, Swiss Made craftsmanship, and 100m (10 ATM) water resistance. At $500–$1,000, it delivers Automatic H-10 with 80 Hours power reserve.
Check Price on AmazonSeiko
Presage Cocktail Time
Choose the Seiko Presage Cocktail Time if you value Seiko In-House Automatic technology, Made in Japan heritage, and 40.5mm proportions. At $250–$500, the Automatic Caliber 4R35 with 41 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Hamilton Khaki Field Automatic and Seiko Presage Cocktail Time represent two distinct approaches to fine watchmaking — the Hamilton bringing Swiss Made tradition while Seiko delivers Made in Japan 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.