Prospex is one of the flagship collections of Japanese watchmaking giant Seiko. This impressive lineup primarily offers diving timepieces, sports chronographs and tool watches designed for outdoor activities. The iconic brand has created five core groups — Sea, Land, Speedtimer, LX Line and Street Series — to categorize various types of models from this sports-watch collection.
Seiko Prospex Sea
The origins of the seiko prospex collection date back to 1965 when the company launched its first diver’s watch. This 150 meter water-resistant watch proved its underwater capabilities in the eighth Japanese Antarctic Research Expedition. Since then, the brand has created several types of diver’s wristwatches, ranging from scuba-diving models to extreme specimens used by professional divers.
The company has also introduced several key innovations in the field of submersible watches. It was the first brand to produce a professional diving watch in titanium. The prominent features developed by Seiko for diving timepieces include the original dial design for ensuring optimum legibility during all conditions, L-shaped gasket for improved water resistance, torque control bezel, outer case protector and the accordion polyurethane strap.
Reliable yet affordable, diver’s watches from seiko are extremely popular all over the world. Thanks to their distinct appearances, many models have acquired nicknames. The most notable among them are Turtle, Tuna, Monster, Shogun, Sumo, Samurai, Sea Urchin, Arnie, Bottle Cap, Starfish and Spork.
Presently, the brand is offering various types of diver watches featuring automatic, kinetic, quartz, solar or spring drive movements. The lineup additionally includes Save the Ocean, Black Series and PADI editions as well as the limited series modern reinterpretations of various historic diving models created by Seiko.
The water-resistance rating starts at 200m for Prospex scuba divers and 300m for Professional models. To ensure optimal waterproofness, these timepieces are fitted with screwed case-back and screwed-down crown. Depending upon the version, Hardlex glass or sapphire crystal has been used for protecting the dial side. To ensure legibility even in the darkest conditions, the bezel, hands and indexes of these timekeepers are applied with LumiBrite coating. In the present catalogue, the seiko divers watch model with highest depth rating is the Marinemaster Automatic Professional 1000m.
The Prospex diving watches are available in various case sizes. The diameter of seiko diver prospex turtle is 41 mm. The Samurai model has a 43.8mm case. The Sumo retains a 45mm case and the Marinemaster Automatic Professional 1000m measures a whopping 52.4mm. The automatic divers are equipped with Seiko movements like 4R35/6R35/8L35 (with date) and 4R36/6R36 (with day and date).
The quartz-powered Prospex Professional 1000m comes with a 49.4mm case. The seiko prospex solar range includes models like the Solar Diver 200m with a 42.8mm case, the 46.9mm “Arnie” Hybrid Diver 200m and the 44.5mm PADI solar diving chronograph 200m.
The seiko prospex singapore price range of diving watches is S$450 to S$5,500.
Seiko Prospex Land
The Seiko Prospex Alpinist wristwatch is available in 38mm and 39.5mm diameter versions. Equipped with the automatic caliber 6R35, Alpinist come with signature dial design featuring cathedral-style or dauphine hands for the hour and minutes and an arrow-shaped centre seconds hand.
Made of stainless steel, all the models from this collection are fitted with sapphire crystal with a magnifier glass above the date window. They also display the date at 3 o’clock. The 39.5mm version is equipped with an internal rotating bezel, which can be rotated bidirectionally by using the crown at 4 o’clock. The Alpinist series is available with leather, metal or Nylon strap.
The Seiko Prospex Fieldmaster features a 42mm diameter stainless steel case with external compass bezel and sapphire crystal glass. Equipped with the automatic calibre 4R35, the watch displays the date at 4.30H. Inspired by the design of iconic seiko divers, it comes with a screwed-down crown at 4 o’clock.
The selling price range of Seiko Prospex Land series is S$650 to S$1150.
Seiko Prospex Speedtimer
The present generation Speedtimer series was launched in 2021 as a tribute to the Japanese watchmaking company’s brilliant history as a leading maker of precision timing devices for sports events. Inspired by the designs of the brand’s iconic chronograph made in 1969, this series offers automatic and solar-powered watches.
The automatic models from the seiko prospex speedtimer collection are SRQ35, SRQ37, SRQ39, SRQ41 and SRQ43. The specimens with solar movements are SSC 813, SSC 815, SSC 817 and SSC 819. Water resistant to 100 meters, all the models from this range feature stainless steel case, two-counter dial design, curved sapphire crystal glass, screwed case-back and tachymeter scale on the outer dial-ring. Equipped with the 8R46 calibre, the automatic version features a 42.5mm diameter case. The Speedtimer solar chronograph retains a 39mm case.
Seiko Prospex LX
The LX line represents the top of the range of extensive Seiko Prospex collection. It is comprised of spring drive watches made of titanium. The notable references are: SNR025 & SNR037 (GMT 200m) , SNR029 & SNR031 (diver 300m) , and SNR033 & SNR035 (GMT 100m).
The 44.8mm diameter titanium case is treated with super-hard coating to adequately protect the timepiece from corrosion and scratches. These timepieces are fitted with sapphire crystal glass, screwed-down crown and screwed case-back.
Depending upon the version, Prospex LX series watch features a unidirectional or bidirectional (24h or compass) bezel. The models with GMT function are powered by the Caliber 5R66. The diver version houses the Caliber 5R65. Both spring drive models offer power reserve indication and date display. The LX series models are available with titanium bracelet or alligator leather strap. The seiko singapore selling price range of the collection is relatively S$ 5,500 to S$9,000.
Seiko Prospex Street series
The Street series is comprised of diving watches with 200 meter water-resistance. Inspired by the innovative designs of best-selling Seiko diving models like Tuna and Arnie, these timepieces are available in various case sizes. The collection includes automatic and solar-quartz models.
The case in stainless steel is secured with an outer cover in metal or plastic. These affordable Prospex seiko watch models feature unidirectional rotating bezel, screwed case-back, screw-down crown and Hardlex glass. The expected retail price of the Prospex Street in Singapore is S$650 to S$850.