The Seiko Prospex Alpinist SPB155J1 is an automatic field watch with a green dial, Arabic numerals and a stainless steel case and bracelet. Its 6R35 movement has 24 jewels and a 70-hour power reserve, and the watch is rated to 20 ATM with a sapphire crystal and luminous hands. It suits people who want one rugged everyday watch that also looks sharp with a jacket. Against cheaper Alpinist models it adds the longer 6R35 reserve and sapphire; against Swiss field watches it offers comparable specs for less. Owners rate it highly, praising the dial and the reserve, though some find the bracelet and case size worth weighing.
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Owners rate the SPB155J1 very highly, with the green dial, sapphire crystal and 70-hour reserve standing out. Complaints are few and mostly about the bracelet and the watch's size on the wrist.
The Seiko Prospex SPB155J1 Alpinist is an automatic watch with a green dial and Arabic numerals. The case and bracelet are stainless steel. A sapphire crystal protects the dial.
It runs on the 6R35 automatic movement with 24 jewels and has a power reserve of 70 hours. The hands are luminous for visibility in low light. Water resistance is 20 ATM.
