Seiko SPB121J1 Prospex Alpinist Leather Strap Automatic Watch for Men

Seiko SPB121J1 is a Prospex Alpinist automatic watch with manual winding made for active daily wear. Key specifications include caliber 6R35 automatic movement, 200m water resistance and sapphire crystal with magnifier.

Why You'll Love It

• Mechanical character: Caliber 6R35, automatic with manual winding; approximately 70 hours of power reserve.
• Clear wrist fit: Stainless steel; 39.5mm diameter, 13.2mm thick, 46.4mm lug-to-lug; 87g.
• Water-ready confidence: 200m (20 bar). Built for demanding water use within Seiko's published care guidance.
• Useful daily details: Stop-seconds function; Date display; Sapphire crystal with magnifier; anti-reflective coating on inner surface.

Specifications

Frequently Asked Questions

Is the Seiko SPB121J1 original?

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

What movement powers the Seiko SPB121J1?

The Seiko SPB121J1 uses caliber 6R35, an automatic movement with manual winding and approximately 70 hours of power reserve.

Can I wear the Seiko SPB121J1 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 SPB121J1?

The case measures 39.5mm in diameter and 13.2mm thick, with an official weight of 87g.

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 · Seiko Men · Watches ₱10,000 & Above