PROSPEX ALPINIST

SEIKO PROSPEX ALPINIST – SPB505

Built for adventure. Designed for everyday life.
The Seiko Prospex Alpinist SPB505 combines the legendary outdoor spirit of the Alpinist with modern performance and refined Japanese craftsmanship. Featuring a powerful 3-day automatic movement, rotating compass bezel, sapphire crystal, and 200-meter water resistance, this timepiece is made for those who are always ready for the next journey.

Product Details

Model: SPB505
Collection: Seiko Prospex – Alpinist / Land
Movement: Automatic with manual winding
Caliber: 6R55
Power Reserve: Approx. 72 hours / 3 days
Jewels: 24
Accuracy: +25 to -15 seconds per day
Function: Stop second hand function

Case & Bracelet

• Case Material: Stainless steel with super-hard coating
• Case Diameter: 39.5 mm
• Case Thickness: 12.7 mm
• Lug-to-Lug: 46.4 mm
• Distance Between Lugs: 20 mm
• Weight: 147 g
• Clasp: Three-fold clasp with push-button release
• Case Back: See-through screw case back
• Crown: Screw-down crown

Crystal & Dial

The SPB505 features a sapphire crystal with magnifier and an anti-reflective coating on the inner surface for enhanced clarity. LumiBrite on the hands and indexes provides excellent visibility in low-light conditions.

Adventure-Ready Features

A signature rotating compass bezel reinforces the Alpinist’s exploration heritage, while 20 bar / 200-meter water resistance makes this watch ready for demanding outdoor conditions and everyday wear.

Magnetic Resistance: 4,800 A/m
Water Resistance: 20 bar / 200 meters

SEIKO PROSPEX ALPINIST — engineered for the land, created for the adventure. ⛰️⌚