Quick take: The Seiko Stargate II SRP497 (often listed as SRP497K1) is an orange-dial Prospex-era automatic diver with 200 m water resistance, day-date via the Caliber 4R36, Hardlex crystal, and a distinctive “gate” style dive bezel that collectors nicknamed Stargate. It is a character piece first — loud, practical for beach and pool, and a solid entry into Seiko’s mid-size divers if you like colour over stealth black.
If you are browsing Seiko dive watches in Australia and keep seeing “Stargate” next to the SRP497 reference, you are looking at one of the more personality-heavy orange dials from Seiko’s 2010s Prospex / diver lineup. This guide covers what the watch actually is, who it suits, how it compares with better-known Turtles, and what to check before you buy — without the brochure fluff.
What is the Seiko Stargate II SRP497?
The SRP497 is commonly sold as the Seiko Stargate II SRP497K1. “Stargate” is a collector nickname for the bezel ring design: bold geometric markers that look more architectural than a plain black insert. Generation “II” points to the later run that used Seiko’s widely available Caliber 4R36 automatic movement with day and date, rather than treating the watch as a pure tool mono-dial.
It sits in the same practical diver family as many Seiko 200 m pieces of that era: stainless steel case, screw-down crown, unidirectional rotating dive bezel, LumiBrite hands and markers, and a Hardlex crystal. The orange dial is the sales pitch — high contrast in daylight and easy to spot on the wrist when you want a summer sports watch rather than a black stealth diver.
| Spec | Seiko Stargate II SRP497 / SRP497K1 |
|---|---|
| Movement | Automatic Caliber 4R36 (hand-wind + hacking on typical 4R36 specs) |
| Functions | Hours, minutes, seconds, day, date |
| Power reserve | About 41 hours (4R36 family) |
| Water resistance | 200 metres (diver’s watch rating on caseback class) |
| Crystal | Hardlex |
| Case | Stainless steel; thickness often cited around 13.5 mm |
| Lug width | 22 mm (common listing) |
| Dial | Orange, with luminous hands and markers |
| Bezel | Unidirectional dive bezel; “Stargate” style markers |
| Strap options | Steel bracelet or rubber depending on market / batch |
Exact bracelet vs rubber stock, dial print variants, and box contents can differ by region and production year. When you shop a used or new-old-stock piece, match the caseback reference, movement calibre marking, and photos of the crown and bezel rather than relying on a nickname alone.
Why collectors care about the orange Stargate
Most Seiko divers in the SRP / early Prospex window lean black, blue, or green. Orange dials were never the default, so the SRP497 still stands out in photos and on the wrist. The bezel design gives it an identity separate from the cushion-case Seiko Turtle family and the sharper Samurai / Monster silhouettes.
It is not the most modern Seiko on paper — Hardlex instead of sapphire, no ISO marketing blurb on every listing, and a day-date wheel that some tool purists skip. In return you get a recognisable face, a serviceable 4R36, and 200 m of water resistance for swimming, snorkelling, and rough daily wear if the seals are healthy.
Who the SRP497 suits (and who should skip it)
Good fit if you want:
- A loud orange sports dial that still reads as a proper diver, not a fashion quartz.
- Day-date convenience for everyday office-to-weekend wear.
- A Seiko automatic in the classic 200 m class without jumping straight to current limited Prospex pricing.
- 22 mm strap flexibility — NATO, rubber, and aftermarket bracelets are easy to source.
Less ideal if you want:
- A slim dress watch under a cuff — this is still a diver case with dive crown and bezel stack.
- Sapphire crystal and tighter modern tolerances out of the box.
- A quiet black “invisible” diver for formal or low-key outfits.
- Guaranteed current production availability — Stargate II pieces are often secondary-market or remaining stock only.
Want this exact orange diver
Start with the Stargate II product page for the SRP497 reference we catalogue, then confirm photos match the bezel and dial print you expect.
Prefer a modern cushion Turtle shape
If the nickname “Turtle” is what you actually want, look at Prospex Turtle silhouettes rather than the Stargate bezel family.
Want value sapphire diver energy
Orient’s Kamasu / Mako line is the usual Australian comparison when budget and sapphire matter more than a rare Seiko dial colour.
Still deciding brand direction
Read our plain-English Orient vs Seiko guide before you lock in a first automatic diver.
SRP497 vs Seiko Turtle and other orange divers
People often compare the Stargate II to the Prospex Turtle (and limited colourways such as the orange “Nemo” SRPC95) because both are bold 200 m Seiko automatics with strong collector chatter. They are not the same watch.
| Stargate II SRP497 | Typical Prospex Turtle (e.g. SRPC95 family) | |
|---|---|---|
| Case vibe | Rounder diver with unique bezel graphics | Cushion “turtle” case, larger wrist presence |
| Dial story | Orange sports / Stargate identity | Often themed limited colours (orange Nemo, PADI, green, etc.) |
| Movement class | 4R36 day-date | Usually 4R36 day-date on many Turtle refs |
| WR | 200 m | 200 m |
| Best reason to pick it | Bezel design + orange dial character | Iconic case shape + wider aftermarket ecosystem |
If your heart is set on the cushion case, read our SRPC95 Orange Turtle guide and the broader Seiko Turtle history piece. If you specifically want the Stargate bezel look, stay on the SRP497 path and ignore Turtle sizing charts.
Wearing and caring for a 200 m Seiko automatic in Australia
200 m on the case is a diver’s rating class, not a promise that a 10-year-old gasket is still factory fresh. Before ocean swimming or surfing, get pressure testing if the watch has unknown service history. Rinse after salt water, keep the crown fully screwed down, and do not operate the crown underwater.
The 4R36 is a workhorse. Accuracy varies watch-to-watch; most owners are happy in daily wear if the watch is wound and worn regularly. If it sits still for days, expect it to stop around the end of the power reserve — that is normal for mechanicals. Hand-wind gently if your example supports it, or wear it through a full day to top up amplitude.
Hardlex is tough for the price but will scratch over years of desk diving and beach bags. That is cosmetic for many buyers; sapphire is the upgrade path if crystal clarity is a deal-breaker (which often pushes people toward newer Prospex or Orient divers).
Buying checklist for SRP497 in Australia
- Match the reference. Confirm SRP497 / SRP497K1 (and movement 4R36 family) on the caseback and listing title.
- Inspect the bezel and dial. Stargate markers and orange sunburst / solid orange tones should match known photos; aftermarket inserts exist in the Seiko world.
- Check crown threads and gaskets. Smooth screw-down action matters more than a polished bracelet.
- Bracelet vs strap. Confirm what is fitted; a rubber strap can make a thick diver more comfortable in heat.
- Stock reality. Colourful discontinued Seikos rotate in and out. Browse live Seiko watches and dive watches if the exact SKU is waiting on restock.
- Compare value. Put the asking price next to in-stock alternatives such as the Orient Mako 40 or other Seiko automatics before you stretch for rarity alone.
Authentic stock, inspected before dispatch. Free shipping Australia-wide on eligible orders. Covered by Chronospride’s 12 months warranty, handled by our team. See our authenticity and warranty page.
FAQ: Seiko Stargate II SRP497
Is the Seiko SRP497 a real diver’s watch?
It is built as a 200 m water-resistant diver-style automatic with a unidirectional bezel, screw-down crown, and luminous display. Treat gaskets and service history seriously before deep water use, as with any older diver.
What movement is inside the SRP497K1?
The widely documented configuration uses Seiko’s automatic Caliber 4R36 with day and date and roughly a 41-hour power reserve. Always verify the calibre on the specific watch you are buying.
Why is it called Stargate?
Collectors nicknamed the series for the bezel’s geometric marker layout. It is not a separate official Seiko product family name in the way “Prospex Turtle” is used.
How does the SRP497 compare to an orange Turtle like the SRPC95?
Both can wear bold orange dials and 4R36 movements with 200 m ratings, but case shape and collector ecosystems differ. The Turtle’s cushion case is the icon; the Stargate is about that specific bezel and SRP497 identity.
Where can I buy a Seiko Stargate II in Australia?
Check the SRP497 product page and the main Seiko category at Chronospride for current availability, or explore other affordable dive watches in Australia while you wait on stock.