Frederique Constant Slimline Moonphase Manufacture vs Tissot PRX Powermatic 80 35mm

Frederique Constant's design language vs Tissot's approach

The Frederique Constant Slimline Moonphase Manufacture features a Stainless Steel case at 42mm with Convex Sapphire 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 FC-705 (In-House) vs Automatic Powermatic 80 (Caliber 80.111)

The Slimline Moonphase Manufacture runs the Automatic FC-705 (In-House) (In-House Automatic Manufacture, 42 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.

42mm vs 35mm — different wrist presence

At 42mm, the Slimline Moonphase Manufacture has a bolder wrist presence compared to the PRX Powermatic 80 35mm at 35mm. Water resistance differs: 30m (3 ATM) vs 100m (10 ATM).

Tissot sits in the lower tier

The Frederique Constant Slimline Moonphase Manufacture sits at $2,500–$5,000 and the Tissot PRX Powermatic 80 35mm at $500–$1,000. On the specs that outlast any price: the Slimline Moonphase Manufacture uses Convex Sapphire with 42 Hours, against Sapphire Crystal and 80 Hours on the PRX Powermatic 80 35mm. Service intervals are typically 5-7 years for both.

30m (3 ATM) vs 100m (10 ATM)

The Slimline Moonphase Manufacture is rated to 30m (3 ATM) while the PRX Powermatic 80 35mm handles 100m (10 ATM). The PRX Powermatic 80 35mm offers superior water resistance.