Hobby Bot

Seiko SPB123

Prospex Alpinist

2020 –present

What Should You Pay?

Estimated fair market values. Actual prices vary by condition, completeness, and seller.

New / Like New / Full Kit
$798 – $1,036
low confidence
Excellent / Pre-Owned
$654 – $850
low confidence
Used / Watch Only
$504 – $654
low confidence
Fair Market Value
$752
Blended estimate for excellent condition
Search Seiko SPB123 on eBay →

Part of the modern Prospex Alpinist collection, this model features a champagne sunburst dial with cathedral hands and applied indices. It maintains the iconic inner rotating compass bezel while adding modern features like a sapphire crystal and the 6R35 movement with extended power reserve.

Specifications
Case Diameter 39.5 mm
Case Height 13.2 mm
Case Material stainless steel
Case Shape round
Case Back exhibition
Lug Width 20 mm
Water Resistance 200m
Crystal sapphire
Bezel Type compass
Bezel Material stainless steel
Dial Color champagne
Dial Indexes applied
Dial Hands cathedral
Bracelet/Strap leather
Bracelet Material calfskin
Clasp pin_buckle
Complications date, compass
Movement
Movement Caliber 6R35
Type automatic
Power Reserve 70 hours
Frequency 21,600 vph
Jewels 24
Functions hours, minutes, seconds, date

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