Head-to-Head Comparison

Hamilton Khaki Field Automatic vs Orient Sun & Moon

Hamilton's field watch meets Orient's dress watch

Quick Verdict

The Orient Sun & Moon ($250–$500) delivers Orient In-House Automatic (Hacking, Hand-Winding) technology in the tier below the Hamilton Khaki Field Automatic ($500–$1,000). The Sun & Moon measures 41.5mm 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.

Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.

Hamilton Khaki Field Automatic

Hamilton

Khaki Field Automatic

$500–$1,000

Orient Sun & Moon

Orient

Sun & Moon

$250–$500

Specifications Compared

FeatureHamilton Khaki Field AutomaticOrient Sun & Moon
Price$500–$1,000$250–$500
Case Size38mm41.5mm
MovementAutomatic H-10Automatic Caliber F6B24
Caliber TypeAutomatic (ETA C07.611 base)Orient In-House Automatic (Hacking, Hand-Winding)
Power Reserve80 Hours40 Hours
Water Resistance100m (10 ATM)50m (5 ATM)
CrystalSapphire CrystalMineral Glass
Case MaterialStainless SteelStainless Steel
OriginSwiss MadeMade in Japan

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Hamilton's design language vs Orient's approach

The Hamilton Khaki Field Automatic features a Stainless Steel case at 38mm with Sapphire Crystal protection. The Orient Sun & Moon offers Stainless Steel construction at 41.5mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.

⚙️

Movement & Performance

Edge: Hamilton

Automatic H-10 vs Automatic Caliber F6B24

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 Sun & Moon uses the Automatic Caliber F6B24 (Orient In-House Automatic (Hacking, Hand-Winding), 40 Hours reserve) at 21,600 vph (3 Hz). The Khaki Field Automatic edges ahead on power reserve.

📏

Wearability & Fit

Edge: Hamilton

38mm vs 41.5mm — different wrist presence

At 38mm, the Khaki Field Automatic wears more compactly on smaller wrists compared to the Sun & Moon at 41.5mm. Water resistance differs: 100m (10 ATM) vs 50m (5 ATM).

💰

Value & Cost of Ownership

Edge: Orient

Orient sits in the lower tier

The Hamilton Khaki Field Automatic sits at $500–$1,000 and the Orient Sun & Moon at $250–$500. On the specs that outlast any price: the Khaki Field Automatic uses Sapphire Crystal with 80 Hours, against Mineral Glass and 40 Hours on the Sun & Moon. Service intervals are typically 5-7 years for both.

💧

Water Resistance

Edge: Hamilton

100m (10 ATM) vs 50m (5 ATM)

The Khaki Field Automatic is rated to 100m (10 ATM) while the Sun & Moon handles 50m (5 ATM). The Khaki Field Automatic is better suited for water activities.

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 Amazon

Orient

Sun & Moon

Choose the Orient Sun & Moon if you value Orient In-House Automatic (Hacking, Hand-Winding) technology, Made in Japan heritage, and 41.5mm proportions. At $250–$500, the Automatic Caliber F6B24 with 40 Hours power reserve makes it a compelling choice.

Check Price on Amazon

The Bottom Line

The Hamilton Khaki Field Automatic and Orient Sun & Moon represent two distinct approaches to fine watchmaking — the Hamilton bringing Swiss Made tradition while Orient delivers Made in Japan engineering.

Frequently Asked Questions

Neither is objectively better — they serve different preferences. The Hamilton Khaki Field Automatic ($500–$1,000) offers Automatic H-10 with 80 Hours power reserve, while the Orient Sun & Moon ($250–$500) features Automatic Caliber F6B24 with 50m (5 ATM) water resistance. Choose based on your priorities: Swiss Made craftsmanship vs Made in Japan engineering.
The Orient Sun & Moon offers better upfront value, sitting a tier lower at $250–$500. However, the Hamilton Khaki Field Automatic may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Khaki Field Automatic at 38mm with 100m (10 ATM) water resistance handles everyday situations. The Sun & Moon at 41.5mm with 50m (5 ATM) is similarly capable. The Khaki Field Automatic uses Sapphire Crystal while the Sun & Moon uses Mineral Glass. Sapphire resists scratches noticeably better than mineral glass.

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.