Head-to-Head Comparison

Updated September 5, 2026

Junghans Form A Automatic vs Orient Kamasu Automatic Diver

Junghans's dress watch meets Orient's diver

Quick Verdict

The Orient Kamasu Automatic Diver ($250–$500) delivers Orient In-House Automatic technology in the tier below the Junghans Form A Automatic ($1,000–$1,500). The Kamasu Automatic Diver measures 41.8mm and is rated 200m (20 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.

View the dossier View the dossier

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

Junghans

Form A Automatic

$1,000–$1,500

View the dossier Full Review

Orient

Kamasu Automatic Diver

$250–$500

View the dossier Full Review

Specifications Compared

Feature	Junghans Form A Automatic	Orient Kamasu Automatic Diver
Price	$1,000–$1,500	$250–$500
Case Size	39.3mm	41.8mm
Movement	Automatic J800.2 (ETA 2824-2)	Automatic Caliber F6922
Caliber Type	Swiss ETA Base, German-Finished	Orient In-House Automatic
Power Reserve	38 Hours	40 Hours
Water Resistance	50m (5 ATM)	200m (20 ATM)
Crystal	Flat Sapphire with Anti-Reflective Coating	Sapphire Crystal
Case Material	Stainless Steel	Stainless Steel
Origin	Made in Germany	Made in Japan

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Junghans's design language vs Orient's approach

The Junghans Form A Automatic features a Stainless Steel case at 39.3mm with Flat Sapphire with Anti-Reflective Coating protection. The Orient Kamasu Automatic Diver offers Stainless Steel construction at 41.8mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

⚙️

Movement & Performance

Edge: Orient

Automatic J800.2 (ETA 2824-2) vs Automatic Caliber F6922

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 Kamasu Automatic Diver uses the Automatic Caliber F6922 (Orient In-House Automatic, 40 Hours reserve) at 21,600 vph (3 Hz). The Kamasu Automatic Diver offers a longer power reserve.

📏

Wearability & Fit

Edge: Junghans

39.3mm vs 41.8mm — different wrist presence

At 39.3mm, the Form A Automatic wears more compactly on smaller wrists compared to the Kamasu Automatic Diver at 41.8mm. Water resistance differs: 50m (5 ATM) vs 200m (20 ATM).

💰

Value & Cost of Ownership

Edge: Orient

Orient sits in the lower tier

The Junghans Form A Automatic sits at $1,000–$1,500 and the Orient Kamasu Automatic Diver at $250–$500. 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 40 Hours on the Kamasu Automatic Diver. Service intervals are typically 5-7 years for both.

💧

Water Resistance

Edge: Orient

50m (5 ATM) vs 200m (20 ATM)

The Form A Automatic is rated to 50m (5 ATM) while the Kamasu Automatic Diver handles 200m (20 ATM). The Kamasu Automatic Diver offers superior water resistance.

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.

View the dossier

Orient

Kamasu Automatic Diver

Choose the Orient Kamasu Automatic Diver if you value Orient In-House Automatic technology, Made in Japan heritage, and 41.8mm proportions. At $250–$500, the Automatic Caliber F6922 with 40 Hours power reserve makes it a compelling choice.

View the dossier

Try Prime Free — Free Shipping on Both Watches Students & 18–24: start Prime for Young Adults free

The Bottom Line

The Junghans Form A Automatic and Orient Kamasu Automatic Diver represent two distinct approaches to fine watchmaking — the Junghans bringing Made in Germany tradition while Orient delivers Made in Japan engineering.

Frequently Asked Questions

For water, the Orient Kamasu Automatic Diver is rated 200 m against 50 m, which is the difference between swimming and diving on one side and splashes on the other. On price, the Orient Kamasu Automatic Diver sits a band lower ($250–$500 against $1,000–$1,500), so it is the cheaper way into the category. Neither is better at everything; the spec table above shows movement, case size, water resistance and crystal side by side so you can weigh what matters to you. We do not test units, so this is the makers' data, not a bench result.

The Orient Kamasu Automatic Diver offers better upfront value, sitting a tier lower at $250–$500. However, the Junghans Form A Automatic may justify its premium with superior finishing, heritage, or resale value.

Both are suitable for daily wear. The Form A Automatic at 39.3mm with 50m (5 ATM) water resistance handles everyday situations. The Kamasu Automatic Diver at 41.8mm with 200m (20 ATM) is similarly capable. The Form A Automatic uses Flat Sapphire with Anti-Reflective Coating while the Kamasu Automatic Diver uses Sapphire Crystal.

More Comparisons

Hamilton Ventura vs Junghans Form A

American pop-culture icon meets German Bauhaus minimalism

Orient Kamasu vs Seiko 5 Sports

Two Japanese automatic divers in the same band

Orient Kamasu vs Seiko Turtle

Two 200m Japanese automatic divers with sapphire

Explore These Watches

Junghans Form A Automatic — Full Review Orient Kamasu Automatic Diver — Full Review Browse All Guides

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.