




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 European Union (EU) & UK Buyers*
Orders are dispatched from Singapore.
Since July 2026, shipments entering the EU are subject to a fixed customs processing charge starting at *€3* per item/category. Import VAT is also charged on arrival:
- *Germany*: 19%
- *Other EU countries*: typically 17–27% (varies by country)
For the *UK, there is currently no customs duty on goods under £135. Import VAT is **20%*.
Destination couriers may also charge administrative or disbursement fees.
All import duties, VAT, customs charges, and courier handling fees are the responsibility of the customer. These are determined by local authorities and shipping couriers, not by our store.
*Notice to European Union (EU) & UK Buyers*
Orders are dispatched from Singapore.
Since July 2026, shipments entering the EU are subject to a fixed customs processing charge starting at *€3* per item/category. Import VAT is also charged on arrival:
- *Germany*: 19%
- *Other EU countries*: typically 17–27% (varies by country)
For the *UK, there is currently no customs duty on goods under £135. Import VAT is **20%*.
Destination couriers may also charge administrative or disbursement fees.
All import duties, VAT, customs charges, and courier handling fees are the responsibility of the customer. These are determined by local authorities and shipping couriers, not by our store.
