Head-to-Head Comparison

Junghans Form A Automatic vs Tissot Seastar 1000 Automatic

Junghans's dress watch meets Tissot's diver

Quick Verdict

The Tissot Seastar 1000 Automatic ($500–$1,000) delivers ETA/Tissot Automatic technology in the tier below the Junghans Form A Automatic ($1,000–$1,500). The Seastar 1000 Automatic measures 40mm and is rated 300m (30 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.

JunghansForm A Automatic$1,000–$1,500 Check price TissotSeastar 1000 Automatic$500–$1,000 Check price

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Junghans

Form A Automatic

$1,000–$1,500

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Tissot

Seastar 1000 Automatic

$500–$1,000

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Specifications Compared

Feature	Junghans Form A Automatic	Tissot Seastar 1000 Automatic
Price	$1,000–$1,500	$500–$1,000
Case Size	39.3mm	40mm
Movement	Automatic J800.2 (ETA 2824-2)	Automatic Powermatic 80 (Caliber 80.111)
Caliber Type	Swiss ETA Base, German-Finished	ETA/Tissot Automatic
Power Reserve	38 Hours	80 Hours
Water Resistance	50m (5 ATM)	300m (30 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

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Design & Aesthetics

Edge: Draw

Junghans's design language vs Tissot's approach

The Junghans Form A Automatic features a Stainless Steel case at 39.3mm with Flat Sapphire with Anti-Reflective Coating protection. The Tissot Seastar 1000 Automatic offers Stainless Steel construction at 40mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

⚙️

Movement & Performance

Edge: Tissot

Automatic J800.2 (ETA 2824-2) vs Automatic Powermatic 80 (Caliber 80.111)

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 Seastar 1000 Automatic uses the Automatic Powermatic 80 (Caliber 80.111) (ETA/Tissot Automatic, 80 Hours reserve) at 21,600 vph (3 Hz). The Seastar 1000 Automatic offers a longer power reserve.

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Wearability & Fit

Edge: Junghans

39.3mm vs 40mm — different wrist presence

At 39.3mm, the Form A Automatic wears more compactly on smaller wrists compared to the Seastar 1000 Automatic at 40mm. Water resistance differs: 50m (5 ATM) vs 300m (30 ATM).

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Value & Cost of Ownership

Edge: Tissot

Tissot sits in the lower tier

The Junghans Form A Automatic sits at $1,000–$1,500 and the Tissot Seastar 1000 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 Seastar 1000 Automatic. Service intervals are typically 5-7 years for both.

💧

Water Resistance

Edge: Tissot

50m (5 ATM) vs 300m (30 ATM)

The Form A Automatic is rated to 50m (5 ATM) while the Seastar 1000 Automatic handles 300m (30 ATM). The Seastar 1000 Automatic 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.

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Tissot

Seastar 1000 Automatic

Choose the Tissot Seastar 1000 Automatic if you value ETA/Tissot Automatic technology, Swiss Made heritage, and 40mm proportions. At $500–$1,000, the Automatic Powermatic 80 (Caliber 80.111) with 80 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Junghans Form A Automatic and Tissot Seastar 1000 Automatic represent two distinct approaches to fine watchmaking — the Junghans bringing Made in Germany tradition while Tissot delivers Swiss Made engineering.

Frequently Asked Questions

Neither is objectively better — they serve different preferences. The Junghans Form A Automatic ($1,000–$1,500) offers Automatic J800.2 (ETA 2824-2) with 38 Hours power reserve, while the Tissot Seastar 1000 Automatic ($500–$1,000) features Automatic Powermatic 80 (Caliber 80.111) with 300m (30 ATM) water resistance. Choose based on your priorities: Made in Germany craftsmanship vs Swiss Made engineering.

The Tissot Seastar 1000 Automatic offers better upfront value, sitting a tier lower at $500–$1,000. 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 Seastar 1000 Automatic at 40mm with 300m (30 ATM) is similarly capable. The Form A Automatic uses Flat Sapphire with Anti-Reflective Coating while the Seastar 1000 Automatic uses Sapphire Crystal.

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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.