# SEIKO Prospex Sea Heritage Design Tranquil Teal Limited Edition | SPB545

### December 2025 Release 

### A dial that captures the beauty of Okinawa’s ocean waters

The ocean surrounding Okinawa is renowned for its breathtaking beauty, with crystal-clear water revealing white sandy seabeds. This watch features a sunray-patterned blue dial that reflects light beautifully, evoking the serene image of sunlight shimmering on the ocean’s surface.

### A refined color combination

A refreshing blue dial paired with a subdued gray bezel creates a sophisticated and sporty aesthetic.

### A new clasp designed for comfort and operability

The new clasp can be adjusted in six steps, each measuring about 2.5mm, for a total range of approximately 15mm. It allows for a comfortable fit at all times, accommodating changes in wrist size during diving and daily life.

**MOVEMENT**

-   **Caliber Number:** 6R55  
    
-   **Movement Type:** Automatic with manual winding  
    
-   **Precision:** +25 to -15 seconds per day
-   **Power Reserve:** Approx. 72 hours(3 days)
-   **Jewels:** 24
-   **Functions:** 
    -   Stop second hand function

**DIAL/CASE**  

-   **Case Material:** Stainless steel  
    
-   **Case Size:**  
    -   **Thickness:** 13.0mm  
        
    -   **Diameter:** 40.0mm  
        
    -   **Lug-to-lug:** 46.4mm  
        
-   **Crystal:** Curved sapphire crystal  
    
-   **Crystal Coating:** Anti-reflective coating on inner surface  
    
-   **LumiBrite:** LumiBrite on hands, index(es) and bezel  
    
-   **Clasp:** Three-fold clasp with secure lock & push button release, solid & slide adjuster  
    
-   **Distance between lugs:** 20mm 

**OTHER**

-   **Water Resistance:** 300m / 1000ft diver's  
    
-   **Magnetic Resistance:** 4,800 A/m  
    
-   **Function:**
    -   LIMITED EDITION on the case back  
        
    -   Serial number engraved on the case back  
        
    -   Unidirectional rotating bezel  
        
    -   Screw-down crown  
        
    -   Three-fold clasp with secure lock  
        
    -   Screw case back

## Details

- **Price:** 1944.99 CAD
- **Vendor:** Bezel House Fulfilled by EX-STOCK Canada
- **Type:** Watch
- **Tags:** Bezel House, Shopify Collective

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1944.99 CAD | In stock |

## Images

- SEIKO Prospex Sea Heritage Design Tranquil Teal Limited Edition | SPB545 
- SEIKO Prospex Sea Heritage Design Tranquil Teal Limited Edition | SPB545 
- SEIKO Prospex Sea Heritage Design Tranquil Teal Limited Edition | SPB545 
- SEIKO Prospex Sea Heritage Design Tranquil Teal Limited Edition | SPB545 
- SEIKO Prospex Sea Heritage Design Tranquil Teal Limited Edition | SPB545 
- SEIKO Prospex Sea Heritage Design Tranquil Teal Limited Edition | SPB545 

---

> Source: [EX-STOCK Canada](https://www.ex-stock.com/products/seiko-prospex-sea-heritage-design-tranquil-teal-limited-edition-spb545)
> Updated: 2026-06-08