# Seiko Prospex Land GMT SPB377J1

## Seiko Prospex Land GMT SPB377J1

Built for the modern explorer, the **Seiko Prospex Land GMT SPB377J1** combines serious field watch credentials with refined Japanese craftsmanship. The 6R54 automatic caliber delivers a 72-hour power reserve and dual time zone display, housed in a super-hard coated 39.5mm stainless steel case with curved sapphire crystal — available at **EX-STOCK Canada**. Explore our full [Wrist Watch Collections](/collections/492008177938).

### Movement

-   **Caliber:** 6R54
-   **Type:** Automatic with manual winding
-   **Precision:** +25 to -15 seconds per day
-   **Power Reserve:** Approx. 72 hours (3 days)
-   **Jewels:** 24
-   **Functions:** 24-hour GMT hand (dual time), stop-second hand

### Case & Band

-   **Case Material:** Stainless steel with super-hard coating
-   **Case Diameter:** 39.5mm
-   **Case Thickness:** 13.6mm
-   **Lug-to-Lug:** 46.4mm
-   **Lug Width:** 20mm
-   **Crystal:** Curved sapphire with inner antireflective coating
-   **Lume:** LumiBrite on hands and indices
-   **Band:** Blue calf leather
-   **Clasp:** Three-fold with push-button release
-   **Crown:** Screw-down
-   **Case Back:** See-through & screw-down

### Additional Specifications

-   **Water Resistance:** 20 bar (200 metres)
-   **Magnetic Resistance:** 4,800 A/m

### Perfect For

The ideal GMT companion for travellers and outdoor adventurers. Browse our [Watch Accessories](/collections/485390778642) to complete your Prospex setup.

![Seiko Prospex Land GMT SPB377J1 39.5mm blue leather strap front view](https://cdn.shopify.com/s/files/1/0715/8595/6114/files/SEIKO_SPB377J1-1.jpg?v=1766480076) ![Seiko Prospex Land GMT SPB377J1 case detail and sapphire crystal](https://cdn.shopify.com/s/files/1/0715/8595/6114/files/SEIKO_SPB377J1-2.jpg?v=1766480076)

## Details

- **Price:** 1550.0 CAD
- **Vendor:** Bandiera Jewellers Fulfilled by EX-STOCK Canada
- **Type:** Seiko Watches
- **Tags:** removecollabs, Shopify Collective, www.bandierajewellers.com

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1550.00 CAD | In stock |

## Images

- Seiko Prospex Land GMT SPB377J1 - EX-STOCK Canada
- Seiko Prospex Land GMT SPB377J1 - EX-STOCK Canada

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> Source: [EX-STOCK Canada](https://www.ex-stock.com/products/seiko-prospex-land-gmt-spb377j1)
> Updated: 2026-07-14