Seiko Prospex Sea – Save The Ocean 40mm
$2,200
Limited Edition
New
Pre-Order
Available on back-order
Metro areas:
3 - 5 business daysRegional areas:
5 - 7 business daysLimited Edition Save The Ocean. 4,000 pieces worldwide. Estimated availability – January/February 2026
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The Seiko Prospex SPB545J1 is a limited-edition diver’s watch (4,000 pieces) inspired by the ocean colours of Okinawa. Featuring a 40 mm stainless steel case with 13.0 mm thickness and 46.4 mm lug-to-lug, it houses the calibre 6R55 automatic movement with approx. 72-hour power reserve. The sun-ray blue dial is paired with a grey bezel, curved sapphire crystal with inner anti-reflective coating, water resistance to 300 meters and magnetic resistance of 4,800 A/m. A true collector’s diver with style and substance.
- Collection: Prospex
- Case Material: Stainless Steel
- Case Size: 40mm
- Case Thickness: 13mm
- Bezel: One way rotating
- Dial: Blue
- Crystal: Sapphire
- Strap/Bracelet: Stainless Steel bracelet
- Buckle: Folding Clasp
- Movement: Automatic with hand winding capability
- Calibre: 6R55
- Power Reserve: 72 hours
- Water resistance: 300 meters
- Warranty: 3 years
- Origin: Japan







