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Round blue-dial titanium chronograph on matching bracelet, 42mm case, 100m water resistance

Seiko

Seiko Titanium Chronograph Quartz SSB387P1 Blue Dial 42mm 100m

SKU CH-RPMA-DFGZC

Lightweight titanium chronograph with quartz precision, blue dial and 100 m water resistance

  • Watch movementQuartz
  • Product shapeRound
  • Watch face colorBlue
  • Dial markingsIndex
  • Display typeAnalog
  • Date displayDate
  • Lightweight comfort from a titanium case and bracelet
  • Precise timekeeping with the 8T67 quartz chronograph movement
  • 100 m water resistance for swimming and snorkelling
  • Scratch-resistant Hardlex crystal protects the blue dial
  • Quick date reference via the integrated date window

Lightweight Titanium Chronograph

The Seiko SSB387P1 combines a titanium case and bracelet with a quartz chronograph movement. Its 42mm profile and blue dial suit daily office wear and recreational sport. The 100m water resistance supports swimming and snorkelling. Hardlex crystal protects the analogue display and date window.

Daily Comfort and Power Efficiency

Titanium construction keeps the watch light on the wrist during extended wear. The 8T67 calibre delivers long battery life even with frequent chronograph use. Quartz regulation provides steady timekeeping without winding. The deployment clasp secures the bracelet with a single action.

Sustained Chronograph Operation

The quartz movement maintains accuracy throughout prolonged stopwatch sessions. Battery reserves remain ample when the chronograph runs repeatedly across a day. Water resistance holds at 100m during continuous aquatic activity. Hardlex crystal resists scratches from repeated environmental contact.

How it compares

Measured against everything we stock in Analog & Digital Wristwatches, at today’s prices. Recalculated every night.

Price $243.99
Pricier than about 80% of the 2,679 comparable items (median $130.99).

Specifications

Product
Brand nameSeiko
Design styleChronograph
Watch face colorBlue
Item conditionNew
Display
Display typeAnalog
Size & build
Main materialTitanium
Product shapeRound
Strap materialTitanium
Closure typeDeployment Clasp
Bezel typeFixed Bezel
Case constructionPull/Push Crown
Housing materialTitanium
Case size42 mm
Watch glassHardlex Crystal
Environment & compliance
Water resistance100m
More details
Watch movementQuartz
Dial markingsIndex
Date displayDate
Suitable forMale

Questions about this item

How do I fit the titanium bracelet and what step is often missed?

The bracelet uses a deployment clasp; the step people miss is fully pressing both release buttons until the clasp clicks shut, otherwise it can spring open.

What part will need replacement first with regular wear?

The quartz movement uses a battery that typically lasts several years; when the chronograph is used heavily the cell drains faster and will be the first item to replace.

What limit appears first during continuous chronograph use?

The 100 m water-resistance rating is the practical ceiling; sustained pressure beyond that depth can compromise the case seals before any other component fails.

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