The Seiko Prospex Alpinist Collection, first launched in 1959 exclusively for the Japanese market,...The Seiko Prospex Alpinist Collection, first launched in 1959 exclusively for the Japanese market, has garnered a devoted global following, and its latest models are now available worldwide with significant upgrades. Known for its appeal among adventure seekers and sports lovers on land, in the water, and in the sky, this Alpinist watch offers an impressive 70-hour power reserve and a durable Sapphire glass, enhancing its original design. Part of Seiko’s Land category, the watch features a striking green dial that echoes the original piece, paired with a sturdy bracelet. Since introducing Japan’s first diver’s watch in 1965, Seiko has been at the forefront of innovative watchmaking, setting new standards in the world of dive watches and beyond. Prospex watches are designed with adventure seekers in mind. This Alpinist timepiece, known for its reliablity in treacherous terrain, features a stunning green dial with contrasting gold hands for a luxurious feel. Encased within sapphire crystal glass, the watch is powered by the automatic movement with a power reserve up to 70 hours, visible through the clear case back. Powered by the calibre 6R35 automatic movement with a power reserve of up to 70 hours. Presented on a silver stainless steel bracelet with push button deployment clasp. Hardlex crystal 38mm case width. 100 metre water resistance.
This guide is for owners of the Seiko Prospex Alpinist - Green Dial watch, designed for adventure seekers and sports enthusiasts. Benefit from the watch's robust features, including a 70-hour power reserve and durable sapphire glass. Note that the 38mm case size may be smaller than some modern watch designs.
All features
Series
Prospex Alpinist
Model Part Number
SPB155J1
Brand
Seiko
Extended Product Information
FAQs
How do I wind the watch?
Gently wind the crown clockwise about 20-30 times to provide initial power.
Is the watch water-resistant?
Yes, it is water-resistant up to 100 meters.
How often should I service the watch?
It is recommended to have your watch serviced every 3-5 years.
What kind of crystal does the watch have?
The watch features sapphire crystal for scratch resistance.
What is the power reserve of the watch?
The watch has a power reserve of up to 70 hours.
How do I set the date and time?
Pull the crown to the appropriate position and rotate to set the date and time.
What is the movement of the watch?
The watch is powered by the calibre 6R35 automatic movement.
What is the case size?
The case size is 38mm.
Troubleshooting
Watch is not running.
Ensure the watch is wound or that it has enough power reserve. If the problem persists, the watch may need servicing.
Fogging under the crystal.
This may indicate water has entered the watch. Seek professional servicing immediately.
Date not changing correctly.
Avoid setting the date between 9 PM and 3 AM. If the problem persists, the watch may need servicing.
Pros and Cons
Pros
70-hour power reserve for extended use.
Durable sapphire crystal for scratch resistance.
Stylish green dial and gold hands.
Reliable automatic movement (Calibre 6R35).
Water-resistant up to 100 meters.
Iconic Seiko design and brand heritage.
Cons
38mm case size might be small for some users.
May require professional servicing.
The push button deployment clasp may require getting used to.
The Hardlex crystal can be prone to scratches if not properly cared for.
Setup, Compatibility & Care
Setting Up Your Watch
Winding: If your watch has stopped, gently wind the crown clockwise about 20-30 times to start the automatic movement.
Setting the Time: Pull the crown out to the second position and rotate to set the time.
Date: The date can be set using the crown position
Compatibility
The watch is compatible with various wrist sizes due to the adjustable bracelet.
Care Instructions
Cleaning: Wipe the watch with a soft, damp cloth to remove any dirt or debris.
Water Resistance: Ensure the crown is fully pushed in to maintain water resistance.
Service: Get your watch serviced every few years to keep it running optimally.