Seiko Prospex 145th Anniversary Limited Edition
HBB001
- Case
- 41.7mm
- MSRP
- $595
- Movement
- Automatic with manual winding
- Reserve
- 41h
Building 1v1 comparison
1v1 Watch Comparison
A focused side-by-side page for specs, fit, movement details, review notes, and enthusiast context.
HBB001
A17375211B1A1
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 prioritizing value and a lower entry price
Where it wins
Collectors who want a more premium luxury dive watch experience
The Seiko uses the automatic/manual-winding Seiko 4R35 with 23 jewels and a 41-hour power reserve, while the Breitling uses the automatic Breitling 17 with 26 jewels, a 28,800 vph frequency, and a 38-hour power reserve. On paper, Breitling’s movement shows the more explicit technical data, but the Seiko offers the slightly longer listed reserve. Neither watch has a listed accuracy claim, COSC certification, or METAS certification, so there is no spec-based performance winner beyond the Breitling’s higher-frequency movement and the Seiko’s longer reserve. Serviceability and long-term reliability are not specifically listed. Winner: Tie
The Seiko is 41.7mm across, 12.3mm thick, 49.5mm lug-to-lug, and 170g, with a compact Prospex diver profile described as wearing as a compact diver with 200m water resistance. The Breitling is slightly larger at 42mm, slightly thicker at 12.56mm, shorter lug-to-lug at 47.7mm, and a marginally heavier 175g, with the wearability notes emphasizing excellent everyday comfort and a balanced modern wrist presence. The Seiko will likely feel a touch broader front-to-back, while the Breitling should sit a bit more compactly on the wrist despite its similar diameter. For smaller wrists, the Breitling’s shorter lug-to-lug is a meaningful advantage; for buyers who prefer a classic compact tool-watch profile and lighter mass, the Seiko remains very approachable. Winner: Breitling Superocean Automatic 42
The Seiko offers a silver white dial with Seiko Blue accents, LumiBrite on hands, indexes, and bezel, a unidirectional rotating bezel, Hardlex crystal, a screw-down crown, a screw case back, and 200m water resistance. The Breitling’s listed data is more focused on utility hardware: screw-locked crown with two gaskets, cambered sapphire crystal glareproofed on both sides, unidirectional ratcheted bezel, 300m water resistance, a date-free layout, and a bracelet with a 15mm micro-adjustment system. The Breitling wearability notes specifically highlight highly legible dial design, strong lume presence, ceramic bezel character, and a rugged, fun everyday feel, while also noting a less formal look and a clasp that is solid rather than class-leading. The Seiko’s full dial and lume specifications are better documented, but the Breitling clearly wins on crystal quality, water resistance, bracelet adjustability, and overall daily practicality for active use. Winner: Breitling Superocean Automatic 42
The Seiko’s MSRP is $595, while the Breitling’s MSRP is $5,700, so the Seiko is dramatically stronger on price-to-spec value. The Seiko also carries a Limited Edition caseback marking and the Prospex heritage signal, which adds some collector appeal without pushing ownership cost into luxury territory. The Breitling brings stronger luxury branding, a more upscale material package, and more refined wearability details, but the data also suggests a higher cost for a movement that is not presented as technically elite by the available specs. For durability and maintenance expectations, both are sturdy stainless-steel dive watches, but the Seiko is the easier ownership proposition. Winner: Seiko Prospex 145th Anniversary Limited Edition
Compared
HBB001
A17375211B1A1