Seiko 5 Sports SSK025
SSK025
- Case
- 39.4mm
- MSRP
- $435
- Movement
- Automatic
- Reserve
- 41h
VS
Building 1v1 comparison
Building 1v1 comparison
1v1 Watch Comparison
A focused side-by-side page for specs, fit, movement details, review notes, and enthusiast context.
SSK025
L3.790.4.96.6
Pair Review
Built from the saved specs and wearability notes for these two watches, then weighed against enthusiast priorities like fit, movement quality, practicality, finishing, value, and collector appeal.
Where it wins
Buyers who want the lightest, smallest, and most understated GMT here
Where it wins
Buyers who want the more refined movement and premium sports-watch execution
The Seiko uses the automatic 4R34 with 24 jewels, a 3 Hz beat rate, and a 41-hour power reserve. The Longines uses the automatic L844.5 with a 3.5 Hz beat rate and a notably longer 72-hour power reserve, which is more convenient for real-world wear and weekend rest cycles. The Longines wearability note also highlights an independently adjustable local hour hand, making it the more genuinely travel-oriented GMT; the Seiko is described as a caller-style GMT, which is practical but less sophisticated for frequent time-zone changes. On the listed data, Longines has the clear technical edge in power reserve and GMT functionality. Winner: Longines HydroConquest GMT Sunray Blue
The Seiko is much smaller and lighter at 39.4mm wide, 13.6mm thick, 47.9mm lug-to-lug, and 79g, and its wearability note specifically calls it one of the easiest Seiko GMTs to wear daily. That makes it especially friendly on smaller wrists and for anyone who dislikes bulk. The Longines is 41mm by 12.9mm, with a 49.4mm lug-to-lug and a much heavier 181.4g on bracelet; despite that, the wearability note says it wears slimmer and more balanced than the specs suggest thanks to its ergonomics and taper. For comfort, the Seiko wins on lightness and compactness, while the Longines offers more substantial presence and a more upscale bracelet fit. Winner: Seiko 5 Sports SSK025
The Seiko offers a black dial, oversized lume-filled numerals, a bright red GMT hand, a black 24-hour bezel, Hardlex crystal, and 100m water resistance. Its leather strap and subdued hard-coated case make it versatile and low-profile, though the strap may invite swapping and the coating may show wear. The Longines brings a sunray blue dial, applied indexes, Swiss Super-LumiNova, sapphire crystal with anti-reflective coating on both sides, a ceramic bezel, screw-in crown, screw-down case back, 300m water resistance, a stainless steel bracelet, a double security clasp, and 4mm of micro-adjustment. That makes it substantially more robust and more adaptable for daily use, travel, and sports, while looking more premium in the process. Winner: Longines HydroConquest GMT Sunray Blue
At $435, the Seiko is dramatically more accessible and offers a compact automatic GMT with a strong field-watch character, making it a very efficient entry into enthusiast GMT ownership. The Longines is $3,350, but the listed specs and wearability notes support a meaningfully more premium package: sapphire crystal, ceramic bezel, higher water resistance, better bracelet/clasp hardware, stronger finishing, and a more sophisticated travel GMT movement. The Seiko has the value edge if budget efficiency is the priority; the Longines has the stronger value proposition if the goal is a luxury-sport GMT with better materials and ownership experience. Winner: Tie
Compared
SSK025
L3.790.4.96.6