Seiko Prospex Alpinist SPB505J1 "Summit Black" Automatic Watch

Seiko SPB505J1 is a Prospex Alpinist automatic watch with manual winding made for active daily wear. Key specifications include caliber 6R55 automatic movement, 200m water resistance and sapphire crystal with magnifier.

Why You'll Love It

• Mechanical character: Caliber 6R55, automatic with manual winding; approximately 72 hours of power reserve.
• Clear wrist fit: Stainless steel (super hard coating); 39.5mm diameter, 12.7mm thick, 46.4mm lug-to-lug; 147g.
• Water-ready confidence: 200m (20 bar). Built for demanding water use within Seiko's published care guidance.
• Useful daily details: Stop-seconds function; Sapphire crystal with magnifier; anti-reflective coating on inner surface.

Specifications

Frequently Asked Questions

Is the Seiko SPB505J1 original?

Yes. Watch Portal sells 100% original watches and has served online shoppers in the Philippines since 2015.

What movement powers the Seiko SPB505J1?

The Seiko SPB505J1 uses caliber 6R55, an automatic movement with manual winding and approximately 72 hours of power reserve.

Can I wear the Seiko SPB505J1 in water?

It has 200m (20 bar). Built for demanding water use within Seiko's published care guidance. Always follow Seiko's care guidance before water exposure.

How large is the Seiko SPB505J1?

The case measures 39.5mm in diameter and 12.7mm thick, with an official weight of 147g.

COD nationwide. GCash, debit and credit cards, and online banking are accepted. Delivery after dispatch: Metro Manila 3 to 7 days; rest of the Philippines 4 to 10 days.

Part of: Seiko Watches · Seiko Alpinist · Watches ₱10,000 & Above