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Round stainless steel chronograph with black dial and matching bracelet, 43mm case, sapphire crystal

Seiko

Seiko SSB447P1 Chronograph Quartz 100M 43mm Watch

SKU CH-J9CP-GNA5Q

A stainless-steel chronograph with sapphire crystal, 100 m water resistance and quartz calibre 8T63

  • StyleChronograph
  • MaterialStainless Steel
  • MovementQuartz
  • ShapeRound
  • Dial ColorBlack
  • Dial MarkersIndex With Numbers
  • Sapphire crystal resists daily scratches
  • 100 m water resistance suits swimming
  • Quartz calibre 8T63 keeps precise time
  • Stainless steel bracelet with deployment clasp secures fit
  • Black dial with index markers offers clear readability

Chronograph quartz watch for daily wear

The Seiko SSB447P1 is a stainless-steel chronograph powered by the 8T63 quartz calibre. Its 43.00 mm case and black dial with index-and-number markers suit men who want a single watch for office, sport and weekend use. Water resistance to 100 m covers swimming and snorkelling without worry.

Sapphire crystal and deployment clasp add durability

The sapphire crystal resists scratches far better than mineral glass, keeping the dial legible over years of contact. A deployment clasp on the stainless-steel bracelet secures the watch with a single motion and reduces strap wear compared with a traditional pin buckle. The date window at three o'clock is the only additional complication.

Simple battery-powered setup with few pitfalls

No winding or time-setting rituals are required; pull the crown, set the hands and push it back to start the quartz movement. The fixed bezel eliminates rotating-bezel misalignment. The only common issue is bracelet sizing — links must be removed or added by a watchmaker or with a proper pin tool to achieve a secure fit.

Highlights

  • Sapphire crystal resists daily scratches
  • 100 m water resistance suits swimming
  • Quartz calibre 8T63 keeps precise time
  • Stainless steel bracelet with deployment clasp secures fit
  • Black dial with index markers offers clear readability

Specifications

BrandSeiko
StyleChronograph
MaterialStainless Steel
MovementQuartz
ShapeRound
Dial ColorBlack
Dial MarkersIndex With Numbers
DisplayAnalog
DateDate
Band MaterialStainless Steel
FastenerDeployment Clasp
GenderMale
ConditionNew
BezelFixed Bezel
Case MaterialStainless Steel
Case Thickness43.00 mm
CrystalSapphire Crystal
Water-Resistant100m
Special FeaturesSapphire Crystal,Deployment Clasp,Date Display

Questions about this item

How often will the battery in the 8T63 calibre need replacing?

Quartz movements like the 8T63 typically run several years on one cell; the watch will need a battery change when the seconds hand starts jumping in two-second steps.

What is the depth limit for the 100m water resistance during prolonged swimming?

The 100m rating covers swimming and snorkelling but not scuba diving; rinse the stainless steel case and bracelet with fresh water after salt exposure.

Does the sapphire crystal or steel bracelet make the watch noticeably warm on the wrist after all-day wear?

Neither the sapphire crystal nor the stainless steel bracelet generates heat; the quartz movement draws minimal power so the watch stays at body temperature.

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