





Seiko Prospex Alpinist SPB503J1 | 'Tealpine' Automatic Field Watch

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Embrace the spirit of mountaineering with the Seiko Prospex Alpinist SPB503J1. This watch is a modern reinterpretation of the original 1959 Alpinist, designed for reliability in treacherous terrain. It features a distinctive teal-blue dial, a color known as 'Tealpine,' which is archive-inspired and complemented by classic 'cathedral style' hands.
The SPB503J1 is powered by the high-performance Caliber 6R55 automatic movement, boasting an impressive 72-hour power reserve—ensuring three full days of mechanical precision. The watch is housed in a robust 39.5mm stainless steel case with a super hard coating, and protected by a sapphire crystal with magnifier. With 20 bar (200m) water resistance and an inner rotating compass bezel, it is a highly capable and sophisticated instrument for adventurers
Embrace the spirit of mountaineering with the Seiko Prospex Alpinist SPB503J1. This watch is a modern reinterpretation of the original 1959 Alpinist, designed for reliability in treacherous terrain. It features a distinctive teal-blue dial, a color known as 'Tealpine,' which is archive-inspired and complemented by classic 'cathedral style' hands.
The SPB503J1 is powered by the high-performance Caliber 6R55 automatic movement, boasting an impressive 72-hour power reserve—ensuring three full days of mechanical precision. The watch is housed in a robust 39.5mm stainless steel case with a super hard coating, and protected by a sapphire crystal with magnifier. With 20 bar (200m) water resistance and an inner rotating compass bezel, it is a highly capable and sophisticated instrument for adventurers
Gender: Men's
Movement: Automatic with Manual Winding (Caliber 6R55)
Power Reserve: Approx. 72 hours (3 days)
Jewels: 24
Precision: +25 to -15 seconds per day
Dial Color: Teal / Teal Blue ('Tealpine')
Case Material: Stainless steel (super hard coating)
Bracelet Material: Stainless steel (Bracelet, inferred from other sources in series)
Crystal: Sapphire crystal with magnifier and Anti-reflective coating on inner surface
Water Resistance: 20 bar (200m)
Magnetic Resistance: 4,800 A/m
Case Diameter: 39.5mm
Case Thickness: 12.7mm
Lug-to-Lug: 46.4mm
Lug Width: 20.0mm
Weight: 147.0g
Features: Date display, Stop seconds hand function, Rotating compass bezel, Screw-down crown, See-through & Screw case back
Gender: Men's
Movement: Automatic with Manual Winding (Caliber 6R55)
Power Reserve: Approx. 72 hours (3 days)
Jewels: 24
Precision: +25 to -15 seconds per day
Dial Color: Teal / Teal Blue ('Tealpine')
Case Material: Stainless steel (super hard coating)
Bracelet Material: Stainless steel (Bracelet, inferred from other sources in series)
Crystal: Sapphire crystal with magnifier and Anti-reflective coating on inner surface
Water Resistance: 20 bar (200m)
Magnetic Resistance: 4,800 A/m
Case Diameter: 39.5mm
Case Thickness: 12.7mm
Lug-to-Lug: 46.4mm
Lug Width: 20.0mm
Weight: 147.0g
Features: Date display, Stop seconds hand function, Rotating compass bezel, Screw-down crown, See-through & Screw case back
Notice to Customers:
Orders are dispatched from Singapore.
For customers in the United States:
As of August 29, 2025, all goods imported into the U.S.—regardless of their value—may incur a 10% import duty. This change follows the removal of the de minimis threshold under updated U.S. customs policies.
Please note that customers are responsible for all import duties, taxes, customs charges, and any applicable handling fees.
For information specific to your country’s customs process, including courier fees or tax-free limits, please reach out to our support team.
Notice to Customers:
Orders are dispatched from Singapore.
For customers in the United States:
As of August 29, 2025, all goods imported into the U.S.—regardless of their value—may incur a 10% import duty. This change follows the removal of the de minimis threshold under updated U.S. customs policies.
Please note that customers are responsible for all import duties, taxes, customs charges, and any applicable handling fees.
For information specific to your country’s customs process, including courier fees or tax-free limits, please reach out to our support team.