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Seiko Prospex challenges every limit, with a collection of timepieces for sports lovers and adventure seekers whether in the water, in the sky or on land. Since launching Japan’s first diver’s watch in 1965, Seiko’s innovative technology has changed global standards. We are constantly striving to bring ever greater reliability and safety to both professional and recreational divers.
We are an authorized retailer for Seiko Watches.
10 Years of Luxury Expertise Behind Every Timepiece,
from the House of Art of Time
Every Watch, A Certified Original
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Energy
Automatic with Manual Winding (Calibre 6R55)
Caliber
6R55
Water Resistance
20 Bar Water Resistance
Case Shape
Round
Case Size
39.5 mm
Material and Finishes
Stainless Steel with Super-Hard Coating
Strap Type
Stainless Steel Bracelet with Three-Fold Clasp and Push Button Release
Warranty Time Period
Manufacturer's International Warranty
Gender
Male

The Seiko Prospex SPB503J1 Alpinist combines heritage-inspired design with modern Japanese craftsmanship, featuring a striking teal blue dial and signature compass bezel for exploration.

Powered by Seiko’s automatic Calibre 6R55 movement with a 72-hour power reserve, sapphire crystal, and 200 m water resistance, this timepiece delivers exceptional performance for both outdoor adventures and everyday wear.

Inspired by the legendary Alpinist collection, the SPB503J1 blends rugged functionality, refined details, and Japanese precision for those who seek adventure with timeless style.
The blue dial with compass-inspired details reflects the Alpinist design of the Prospex Land collection.
The watch is powered by the Calibre 6R55 automatic movement with manual winding, stop second hand function and approximately 72 hours of power reserve.
The stainless steel case with super-hard coating is paired with a stainless steel bracelet, sapphire crystal with magnifier, LumiBrite on the hands and indexes, and 20 bar water resistance.
As part of the Prospex Land collection, this watch combines outdoor functionality with the Alpinist design featuring a rotating compass bezel.
At CIRCA, we love this watch for its blue Alpinist-inspired dial, automatic movement, and Prospex Land design built for exploration.
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