Junghans Form A Automatic vs Tissot PRX Powermatic 80 35mm

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 PRX Powermatic 80 35mm offers Stainless Steel construction at 35mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

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 PRX Powermatic 80 35mm uses the Automatic Powermatic 80 (Caliber 80.111) (ETA/Tissot Automatic, 80 Hours reserve) at 21,600 vph (3 Hz). The PRX Powermatic 80 35mm offers a longer power reserve.

39.3mm vs 35mm — different wrist presence

At 39.3mm, the Form A Automatic has a bolder wrist presence compared to the PRX Powermatic 80 35mm at 35mm. Water resistance differs: 50m (5 ATM) vs 100m (10 ATM).

Tissot sits in the lower tier

The Junghans Form A Automatic sits at $1,000–$1,500 and the Tissot PRX Powermatic 80 35mm 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 PRX Powermatic 80 35mm. Service intervals are typically 5-7 years for both.

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

The Form A Automatic is rated to 50m (5 ATM) while the PRX Powermatic 80 35mm handles 100m (10 ATM). The PRX Powermatic 80 35mm offers superior water resistance.