Samsung Galaxy Watch9 (40 mm)

Name: Samsung Galaxy Watch9 (40 mm)
Brand: Samsung

Source checked and owner approved

The 1.57 in Galaxy Watch record is a specific size choice. Check compatibility, features, and battery claims before deciding whether that format suits your routine. The catalog specifies a listed weight of 1.06 oz and a manufacturer battery claim of up to 40.08 hours.

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61.4/100

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Verified specifications

Reference price: $379.99
Manufacturer source · 2026-09-10US manufacturer reference price or launch MSRP; not a live retailer offer.
Device type: smartwatch
Manufacturer source · 2026-09-10
Advertised battery life: 1.67 days
Manufacturer source · 2026-09-10
Device weight: 1.06 oz
Manufacturer source · 2026-09-10
Water resistance: 164 ft
Manufacturer source · 2026-09-10
Built-in GPS: Yes
Manufacturer source · 2026-09-10
Continuous heart rate: Yes
Manufacturer source · 2026-09-10
ECG capability: Yes
Manufacturer source · 2026-09-10
Blood oxygen sensing: Yes
Manufacturer source · 2026-09-10
Temperature sensing: Yes
Manufacturer source · 2026-09-10
Sleep tracking: Yes
Manufacturer source · 2026-09-10
On-device display: Yes
Manufacturer source · 2026-09-10
iPhone support: No
Manufacturer source · 2026-09-10
Android support: Yes
Manufacturer source · 2026-09-10
Required subscription: None
Manufacturer source · 2026-09-10

Compared configuration: United States · Current base configuration
Research notes: Manufacturer-published specifications normalized for cross-product comparison. Missing or inapplicable fields are not inferred.
Price basis: Launch MSRP; not a current retailer offer

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