Which men's wristwatch has the best battery life?

Solar‑charged tactile smartwatch with a 47.5 mm titanium case, ceramic bezel and multifunction features (altimeter, compass, chrono, alarms, notifications). Suits outdoorsy or tech‑minded users who want smartwatch features with Swiss build quality.

Full-metal square G-Shock with Tough Solar, Multi-Band 6 radio timekeeping and Bluetooth smartphone link. Durable 200m water resistance and stainless-steel band make it suitable for daily wear, travel, and outdoor activities.

The BN0150-28E is an ISO-compliant 3-hand dive watch with Citizen's Eco-Drive solar movement, 200m water resistance, and a durable polyurethane strap. It's a rugged, legible tool watch suited for divers and outdoors users who want low maintenance and reliable performance.

Modern reissue of Seiko's hybrid 'Arnie' diver with analog-digital display, solar-powered H851 movement, and 200 m water resistance. It suits divers and enthusiasts who want a rugged, retro-style ana-digi tool watch with chronograph and alarm functions.

Rugged 50 mm solar-powered GPS smartwatch with a Power Glass solar lens, LED flashlight, multiband GNSS, long battery life and military-grade durability. Suited for outdoors athletes and users who want extended battery life and tough, feature-rich navigation and training tools.

The Coros APEX 2 Pro is a rugged GPS multisport watch with a 1.3 in sapphire touchscreen, titanium bezel, dual-frequency GNSS, extensive battery life, and 32GB storage for maps and music. It suits serious trail runners, climbers, and endurance athletes who need durable hardware and long GPS runtime.

A rugged, map-focused outdoor smartwatch with a 1.5 in sapphire AMOLED display, Grade 5 titanium or stainless components, long battery life and dive-certified 10 ATM water resistance. Suited for serious outdoor users who need durable hardware, offline maps and long endurance on multi-day adventures.

The GW6900-1 is a rugged, mid-size solar-powered digital G-Shock with Multi-Band 6 atomic timekeeping, 200-meter water resistance, and shock-resistant resin construction. It suits outdoor users, military or anyone wanting a reliable, low-maintenance sports watch.

ScanWatch 2 is a hybrid health-focused smartwatch with ECG, SpO2, continuous temperature tracking, long battery life and a grayscale OLED display. It suits users who want clinical-grade health sensors in a traditional watch design rather than a full touchscreen smartwatch.

The Fenix 8 Pro Solar 51mm is a premium multisport GPS smartwatch with solar charging, a durable sapphire lens, and rugged 10 ATM water resistance. It suits endurance athletes and outdoor adventurers who need long battery life and advanced navigation and training features.

The fēnix 8 Pro Solar is a premium multisport GPS smartwatch with solar charging, bright AMOLED or MicroLED displays, titanium bezel and sapphire glass, and satellite/cellular connectivity for off‑grid messaging. It's built for endurance athletes and outdoor adventurers who need robust navigation, long battery life, and durable construction.

Analogue-digital outdoor watch with Tough Solar charging, Triple Sensor (altimeter, barometer, compass) and world-time features. Large 51.6 mm case, mineral crystal and a durable silicone strap make it suited for hikers and outdoor enthusiasts.

The Coros Vertix 2S is an expedition-grade GPS multisport watch with dual-frequency satellite tracking, huge battery life and a titanium bezel. It includes both silicone and nylon bands and targets endurance athletes and outdoor adventurers who need long runtime and robust navigation features.

A rugged, 51 mm ultraperformance GPS smartwatch with enhanced solar charging, long multisport battery life, built-in topo maps and navigation, and a lightweight titanium/sapphire construction. It's aimed at ultrarunners, thru-hikers and expedition athletes who need multi-week battery life and durable outdoor features.