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UPDATE: WE ARE OPEN. Deliveries continue as normal. Orders despatched within 1 day.

UPDATE: WE ARE OPEN. Deliveries Continue As Normal. Orders despatched within 1 day.

Seiko Prospex Tuna 1000 Metres Professional Saturation Diving Titanium Watch SLA042J1

Price £3,450.00
RRP Save
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Delivery Information :

FREE Express UK Delivery for orders over £400.

FREE UK Delivery in 3-5 business days.

Returns period extended to 45 days.

Delivery Information :
Express UK delivery (for £4.99)
FREE Express UK Delivery for orders over £400
FREE UK Delivery in 3-5 business days
Returns Period : Extended to 45 Days
Key Features:
  • Prospex Tuna Professional 1,000m Divers Collection.
  • This watch shape is affectionately nicknamed by Seiko fans as a 'Tuna' - because of its larger diameter and bold shape like a tuna tin - loved for decades since its release.
  • The accordion-style silicone strap combines high durability and comfort - a strap design invented by Seiko in 1975 as a practical solution to the expansion and contraction of a diver's wrist at different depths.
  • This model features simplified indices making it easy to read underwater
  • Plus its case back shows the new ISO standard stating it's diver's watch capability and metre depth for saturation diving.
  • In a 2020 watch industry first, the grade of stainless steel in this watch, Seiko’s “Ever-Brilliant Steel,” is more corrosion-resistant than in most luxury watches today and only usually used in the marine industry. 
  • Seiko Prospex watches are designed for sports lovers and adventure seekers  in the water, in the sky or on land.
  • Since launching Japan’s first diver’s watch in 1965, Seiko’s innovative watchmaking has changed global dive watch standards.
  • This watch is part of Seiko Prospex Tuna collection, with an origin dating back to the 1970s, updated with latest innovation and refinement.
  • 1000 metres professional diving watch for saturation diving.
  • Titanium case with black ceramic for outer protection.
  • Premium sapphire crystal glass with inner anti-reflective coating provides better protection from scratches in your daily life.
  • Very high corrosion resistance.
  • The uni-directional rotating bezel: The precise and safe operation of the uni-directional bezel prevents accidental rotation. This is to prevent the watch from displaying the elapsed time shorter than it is.
  • One-piece housing.
  • The Date is displayed at 3'o clock position.
  • The mechanism used is an in-house-built 8L35 automatic movement. This calibre movement is complete with 26 Jewels and a 50-hour power reserve.
  • Screw-down crown.
  • A black dial Seiko Men's watch.
  • Stop seconds hand function.
  • Black silicone strap finished with a buckle clasp to ensure security on the wrist.
  • The easy to read dial features luminous indexes, hands and bezel.
  • Ever-brilliant steel bezel with the rose gold colour coating is finished with minute marking.
  • 2-year manufacturer warranty, extended to 3 years through the WatchO Extended Warranty offer.
Warranty2 years + 1 year extended from WatchO
EditionSeiko Prospex Tuna 1000 Metres
Usually ForMen
Water Resistancy1000 Metres
Dial ColourBlack
Date FeatureDate display at the 3 o'clock position
GlassSapphire Crystal
Case Width52.4mm
Case Thickness17mm
Case ShapeRound
Case MaterialTitanium
Band ColourBlack
Band MaterialSilicone
Clasp TypeBuckle
BezelUnidirectional Rotating Bezel
Bezel Material Stainless-steel
Crown Screw-Down Crown
MovementAutomatic
Calibre8L35
Jewels26
Power Reserve50 Hours
Accuracy-10 to +15 seconds per day

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