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Seiko

Prospex

Name: Seiko Prospex SPB155 (Baby Alpinist) Field Watch
Brand: Seiko
SKU: seiko-prospex-spb155-baby-alpinist

SPB155 (Baby Alpinist)

Field Sports Tool

Market Prices

NEW$478↑ $202 (35.7%)

34% below MSRP

Live prices • Updated 32 minutes ago

A smaller Alpinist-style watch with great everyday versatility and strong water resistance. Great for casual and outdoorsy wear.

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Diameter

38mm

Water Resistance

200m

Movement

automatic

Crystal

sapphire

Fit on Your Wrist

Balanced

Your wrist size

Medium (6.7″)

Optimal proportions for most wrists

See full fit chart

Case: 38mm

Lug-to-Lug: 46mm

Thickness: 12.9mm

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Accessories & Straps

Compatibility based on lug width: 20mm(?)

Find Straps

Lug Width

Lug width is the distance between the lugs where the strap attaches.

Strap Type

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What will fit my watch?

Lug width is the most important measurement. It's the distance between the lugs (the parts that hold the strap).

Quick release straps have a small lever that makes changing straps easy without tools.

Curved end straps have a slight curve at the ends that matches the watch case for a better fit.

Accessories

Recommended based on your watch

Spring Bars

Replacement pins to attach straps

Spring Bar Tool

Tool for changing straps

Watch Roll / Travel Case

Protect your watch while traveling

Microfiber Cloth

Keep your watch clean and smudge-free

Watch Winder

Keep your automatic running when not worn

Watch Rinse Kit

Clean saltwater and sweat from your diver

Watch winder note: Not required for most people. Useful if you don't wear your automatic often and want it ready to go.

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $768 · New & used listings

Affiliate links — WatchCompared earns a commission on qualifying purchases. This doesn't affect your price.

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Popular comparisons for this watch

Seiko Prospex SPB143 vs Seiko Prospex SPB155 (Baby Alpinist)Seiko Prospex SPB155 (Baby Alpinist) vs Tissot PRX Powermatic 80 Seiko Prospex SPB155 (Baby Alpinist) vs Seiko SKX009 Seiko Prospex SPB155 (Baby Alpinist) vs Seiko Prospex Samurai Seiko Alpinist vs Seiko Prospex SPB155 (Baby Alpinist)

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