




Seiko Prospex | Alpinist GMT Green Dial Mechanical Watch HBC007J1

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The iconic explorer's watch steps into a new era with the Seiko Prospex Alpinist GMT HBC007J1. Recognized globally for its rugged mountain heritage, this legendary timekeeper is now enhanced with traveler GMT functionality. Featuring a deep sunburst green dial, vintage gold-tone cathedral hands, and its signature rotating inner compass ring, this model perfectly balances classic tool-watch utility with high-performance mechanical engineering.
The iconic explorer's watch steps into a new era with the Seiko Prospex Alpinist GMT HBC007J1. Recognized globally for its rugged mountain heritage, this legendary timekeeper is now enhanced with traveler GMT functionality. Featuring a deep sunburst green dial, vintage gold-tone cathedral hands, and its signature rotating inner compass ring, this model perfectly balances classic tool-watch utility with high-performance mechanical engineering.
CASE
Case Diameter: 39.5 mm
Case Thickness: 13.6 mm
Case Length (Lug-to-Lug): 46.4 mm
Material: Stainless Steel with Super-Hard Coating
Crystal: Curved Sapphire Crystal (Anti-Reflective Coating)
Bezel: Fixed 24-Hour Stainless Steel Outer Bezel Ring
BAND
Material: Premium Dark Brown Calfskin Leather
Lug Width: 20.0 mm
Clasp: Three-Fold Clasp with Push-Button Release
MOVEMENT & PERFORMANCE
Movement: Seiko Caliber 6R54 Mechanical Automatic (Self-winding + Hand-winding capacity
Accuracy: Approximately +25 to -15 seconds per day
Power Reserve: Approximately 72 Hours
Water Resistance: 200 Meters / 20 Bar
Luminous: LumiBrite on hands and indexes
Functions: 4-hand timekeeping (Hour, Minute, Seconds, GMT 24-Hour Hand), internal rotating compass ring, date window calendar display
CASE
Case Diameter: 39.5 mm
Case Thickness: 13.6 mm
Case Length (Lug-to-Lug): 46.4 mm
Material: Stainless Steel with Super-Hard Coating
Crystal: Curved Sapphire Crystal (Anti-Reflective Coating)
Bezel: Fixed 24-Hour Stainless Steel Outer Bezel Ring
BAND
Material: Premium Dark Brown Calfskin Leather
Lug Width: 20.0 mm
Clasp: Three-Fold Clasp with Push-Button Release
MOVEMENT & PERFORMANCE
Movement: Seiko Caliber 6R54 Mechanical Automatic (Self-winding + Hand-winding capacity
Accuracy: Approximately +25 to -15 seconds per day
Power Reserve: Approximately 72 Hours
Water Resistance: 200 Meters / 20 Bar
Luminous: LumiBrite on hands and indexes
Functions: 4-hand timekeeping (Hour, Minute, Seconds, GMT 24-Hour Hand), internal rotating compass ring, date window calendar display
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.
