Seiko Prospex 1965 Heritage Diver's Watch Save the Ocean Limited Edition
SPB545
- Case
- 40mm
- MSRP
- $1,400
- Movement
- Automatic with manual winding
- Reserve
- 72h
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.
SPB545
804.10.011.10
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 value longer power reserve and stronger listed movement specs
Where it wins
Enthusiasts prioritizing compact comfort and a lower-profile dive watch
The DOXA uses the Sellita SW200-1, an automatic movement running at 4 Hz with a 38-hour power reserve. The Seiko uses the in-house caliber 6R55, automatic with manual winding, 24 jewels, and a significantly longer 72-hour power reserve, plus a stated accuracy range of +25 to -15 seconds per day. On paper, the Seiko offers the more modern and practical movement package thanks to longer autonomy and explicit performance data, while the DOXA is a proven, straightforward Swiss automatic with fewer listed technical details. Serviceability and long-term reliability are not specified directly for either watch beyond their established movement families. Winner: Seiko Prospex SPB545
The DOXA is smaller and easier to wear: 39mm diameter, 10.7mm thickness, 41.5mm lug-to-lug, and an 18mm lug width. The pre-existing wearability note describes it as a much more approachable modern DOXA, with a slimmer case and more compact proportions that make it noticeably easier to wear daily, though some collectors may miss the overbuilt feel of the larger SUB 300T. The Seiko is still reasonable at 40mm, but it is much larger in the dimensions that affect presence and comfort: 13mm thick, 46.4mm lug-to-lug, and 20mm lug width, which will wear broader and taller on the wrist. Its wearability note emphasizes modern 1965 Heritage diver proportions with a 40mm case, 46.4mm lug-to-lug, 300m water resistance, and an adjustable steel bracelet clasp. For smaller wrists or anyone wanting a lower-profile diver, the DOXA is clearly easier to live with; for those who prefer a more substantial wrist presence, the Seiko is the bigger watch. Winner: DOXA SUB 200T Whitepearl
For legibility and everyday versatility, both are strong divers, but they take different approaches. The DOXA has a white dial with a luminous sunburst effect, Super-LumiNova, a sapphire crystal with anti-reflective coating, and the signature unidirectional bezel with an integrated US Navy no-decompression limit table, giving it strong tool-watch character and quick visual clarity. The Seiko adds a sunray-patterned blue dial, LumiBrite on hands, indexes, and bezel, sapphire crystal with inner anti-reflective coating, and a 300m water resistance rating versus the DOXA’s 200m. On practicality, the Seiko has the better bracelet system: a three-fold clasp with secure lock, push-button release, and a slide adjuster with about 15mm total range, which is materially more useful for hot-weather or all-day wear. The DOXA’s beads-of-rice bracelet is more distinctive and classic, but its clasp is described as more utilitarian. For travel, sports, and rougher use, the Seiko’s higher water resistance and stronger adjustment system give it the edge. Winner: Seiko Prospex SPB545
The Seiko has the lower MSRP at $1,400 versus the DOXA at $1,790, which is a meaningful advantage before considering features. The DOXA brings stronger brand identity in vintage dive-watch culture and the distinctive SUB design language, while the Seiko offers a well-known Prospex heritage signal and a limited-edition caseback with serial number engraving. In practical ownership terms, the Seiko’s longer power reserve, 300m water resistance, and adjustable clasp improve day-to-day utility, while the DOXA’s slimmer build and unique aesthetic may matter more to collectors who specifically want the classic DOXA experience. Maintenance expectations and durability are not explicitly listed beyond the general construction and movement types, so they should not be overread. On the listed data alone, the Seiko is the stronger value proposition, while the DOXA is the more distinctive enthusiast object. Winner: Seiko Prospex SPB545
Compared
SPB545
804.10.011.10