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• 39.5 mm stainless steel case
• Green dial with LumiBrite hands and indexes, rotating inner compass bezel and date display
• Seiko Caliber 6R55 automatic movement with manual winding and approximately 72 hours of power reserve
• Sapphire crystal with magnifier and anti-reflective coating, brown leather strap and 20 bar / 200-meter water resistance
in stock: 1
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Seiko Prospex Alpinist SPB507J1 combines classic outdoor styling with modern mechanical performance. Its green dial, internal compass bezel and brown leather strap preserve the adventurous Alpinist character, while the 6R55 movement delivers a three-day power reserve for dependable everyday wear.
Brand: Seiko
Gender: Men's
Series: Prospex Alpinist
Model: SPB507J1
Movement: Automatic with Manual Winding
Movement Source: Seiko
Power Reserve: Approx. 72 Hours / 3 Days
Precision: +25 to -15 Seconds Per Day Frequency: 21,600 Vibrations Per Hour
Features: Rotating Compass Bezel, Stop-Second Hand Function, Screw-Down Crown, See-Through Screw Case Back, Manual Winding Capability
Engine: Caliber 6R55
Jewels: 24
Caliber No: 6R55
Case Size: 39.5 mm
Lug-to-lug: 46.4 mm
Case Thickness: 12.7 mm
Band Type: Leather Strap
Dial Color: Green
Case Color: Silver
Band Color: Brown / Light Brown
Bezel: Rotating Inner Compass Bezel
Case Material: Stainless Steel
Band Material: Cow Leather
Water Resistance: 20 Bar
Functions: Hours, Minutes, Seconds, Date, Compass
Calender: Date
Watch Style: Outdoor / Field / Adventure / Mechanical Sports Watch
Weight: 88 g
Case Back: See-Through and Screw Case Back
Case Shape: Round
Clasp: Three-Fold / Deployant Clasp with Push-Button Release
Crystal: Sapphire Crystal with Magnifier
Crystal Coating: Anti-Reflective Coating on Inner Surface
Crown: Screw-Down Crown
LumiBrite: Indexes
Known By: SPB507J1
Prospex Alpinist traces its roots to Seiko’s first Alpinist introduced in 1959 for mountaineers and outdoor sports enthusiasts. The modern Prospex Alpinist collection retains that outdoor-focused identity while adding contemporary materials, improved movements and practical features such as a rotating compass bezel.
SPB507J1 is powered by Seiko Caliber 6R55, an automatic mechanical movement with manual winding capability. It offers approximately 72 hours of power reserve, 24 jewels, an accuracy rating of +25 to -15 seconds per day and a stop-second hand function.
