Frederique Constant Slimline Moonphase Manufacture vs Tissot Seastar 1000 Automatic

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 Seastar 1000 Automatic offers Stainless Steel construction at 40mm 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 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.

42mm vs 40mm — different wrist presence

At 42mm, the Slimline Moonphase Manufacture has a bolder wrist presence compared to the Seastar 1000 Automatic at 40mm. Water resistance differs: 30m (3 ATM) vs 300m (30 ATM).

Tissot sits in the lower tier

The Frederique Constant Slimline Moonphase Manufacture sits at $2,500–$5,000 and the Tissot Seastar 1000 Automatic 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 Seastar 1000 Automatic. Service intervals are typically 5-7 years for both.

30m (3 ATM) vs 300m (30 ATM)

The Slimline Moonphase Manufacture is rated to 30m (3 ATM) while the Seastar 1000 Automatic handles 300m (30 ATM). The Seastar 1000 Automatic offers superior water resistance.