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Seiko Prospex challenges every limit, with a collection of timepieces for sports lovers and adventure seekers whether in the water, in the sky or on land. Since launching Japan’s first diver’s watch in 1965, Seiko’s innovative technology has changed global standards. We are constantly striving to bring ever greater reliability and safety to both professional and recreational divers.


  • Product Number: 450018192172
  • Model Number: SFK001
  • Collection: Prospex
  • Movement: Solar
  • Case Material: Stainless Steel
  • Case Thickness: 13.2 mm
  • Case Size: 45 mm
  • Watch Crystal: Sapphire with anti-reflective coating on inner surface
  • Dial Color: Blue
  • Caseback: Plain, stainless steel
  • Bracelet: Stainless Steel
  • Clasp: Three-fold clasp with push button release
  • Water Resistance: 200 metres / 20 ATM
  • Functions: Hours, minutes, seconds, 24-hour hand (dual time display function), date, calendar-linked time difference adjustment function, quick-start function, overcharge prevention function, lumiBrite on hands, index(es) and bezel
  • Power Reserve: 9 months
  • Complication: GMT
  • Bezel: Unidirectional rotating
  • Warranty:

    3-year warranty

  • Case Material: Stainless Steel
  • Case Size: 45 mm
  • Case Thickness: 13.2 mm
  • Caseback: Plain, stainless steel
  • Dial Color: Blue
  • Bezel: Unidirectional rotating
  • Watch Crystal: Sapphire with anti-reflective coating on inner surface
  • Movement: Solar
  • Complication: GMT
  • Power Reserve: 9 months
  • Functions: Hours, minutes, seconds, 24-hour hand (dual time display function), date, calendar-linked time difference adjustment function, quick-start function, overcharge prevention function, lumiBrite on hands, index(es) and bezel
  • Clasp: Three-fold clasp with push button release
  • Bracelet: Stainless Steel
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Seiko

Seiko Prospex Sea Diver Solar Sumo GMT 45 mm Stainless Steel

Prospex Sea Diver Solar Sumo GMT 45 mm Stainless Steel
Estimated Price:
$ 1,025
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*This item is on order. This ring will be crafted just for you.
Contact an expert to confirm the delivery timeline.

All images shown are for illustration purposes only. Actual product may vary. Birks reserves the right to change the font, size and text orientation depending on the engraving message for best result.

Please note the estimated time for our engraving services is 7 to 10 business days. Engraved items are final sale.

Seiko Prospex challenges every limit, with a collection of timepieces for sports lovers and adventure seekers whether in the water, in the sky or on land. Since launching Japan’s first diver’s watch in 1965, Seiko’s innovative technology has changed global standards. We are constantly striving to bring ever greater reliability and safety to both professional and recreational divers.


  • Product Number: 450018192172
  • Model Number: SFK001
  • Collection: Prospex
  • Movement: Solar
  • Case Material: Stainless Steel
  • Case Thickness: 13.2 mm
  • Case Size: 45 mm
  • Watch Crystal: Sapphire with anti-reflective coating on inner surface
  • Dial Color: Blue
  • Caseback: Plain, stainless steel
  • Bracelet: Stainless Steel
  • Clasp: Three-fold clasp with push button release
  • Water Resistance: 200 metres / 20 ATM
  • Functions: Hours, minutes, seconds, 24-hour hand (dual time display function), date, calendar-linked time difference adjustment function, quick-start function, overcharge prevention function, lumiBrite on hands, index(es) and bezel
  • Power Reserve: 9 months
  • Complication: GMT
  • Bezel: Unidirectional rotating
  • Warranty:

    3-year warranty

  • Case Material: Stainless Steel
  • Case Size: 45 mm
  • Case Thickness: 13.2 mm
  • Caseback: Plain, stainless steel
  • Dial Color: Blue
  • Bezel: Unidirectional rotating
  • Watch Crystal: Sapphire with anti-reflective coating on inner surface
  • Movement: Solar
  • Complication: GMT
  • Power Reserve: 9 months
  • Functions: Hours, minutes, seconds, 24-hour hand (dual time display function), date, calendar-linked time difference adjustment function, quick-start function, overcharge prevention function, lumiBrite on hands, index(es) and bezel
  • Clasp: Three-fold clasp with push button release
  • Bracelet: Stainless Steel
View More Details
View Fewer Details

Seiko Prospex challenges every limit, with a collection of timepieces for sports lovers and adventure seekers whether in the water, in the sky or on land. Since launching Japan’s first diver’s watch in 1965, Seiko’s innovative technology has changed global standards. We are constantly striving to bring ever greater reliability and safety to both professional and recreational divers.


  • Product Number: 450018192172
  • Model Number: SFK001
  • Collection: Prospex
  • Movement: Solar
  • Case Material: Stainless Steel
  • Case Thickness: 13.2 mm
  • Case Size: 45 mm
  • Watch Crystal: Sapphire with anti-reflective coating on inner surface
  • Dial Color: Blue
  • Caseback: Plain, stainless steel
  • Bracelet: Stainless Steel
  • Clasp: Three-fold clasp with push button release
  • Water Resistance: 200 metres / 20 ATM
  • Functions: Hours, minutes, seconds, 24-hour hand (dual time display function), date, calendar-linked time difference adjustment function, quick-start function, overcharge prevention function, lumiBrite on hands, index(es) and bezel
  • Power Reserve: 9 months
  • Complication: GMT
  • Bezel: Unidirectional rotating
  • Warranty:

    3-year warranty

  • Case Material: Stainless Steel
  • Case Size: 45 mm
  • Case Thickness: 13.2 mm
  • Caseback: Plain, stainless steel
  • Dial Color: Blue
  • Bezel: Unidirectional rotating
  • Watch Crystal: Sapphire with anti-reflective coating on inner surface
  • Movement: Solar
  • Complication: GMT
  • Power Reserve: 9 months
  • Functions: Hours, minutes, seconds, 24-hour hand (dual time display function), date, calendar-linked time difference adjustment function, quick-start function, overcharge prevention function, lumiBrite on hands, index(es) and bezel
  • Clasp: Three-fold clasp with push button release
  • Bracelet: Stainless Steel
View More Details
View Fewer Details

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