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Round blue-dial Seiko 5 automatic watch on stainless steel bracelet with deployment clasp

Seiko

Seiko 5 SNXS77J1 Automatic 21 Jewels Blue Dial 36.00 mm

SKU CH-HX5A-Q5V2N

Automatic 21-jewel movement in a 36.00 mm stainless steel case with blue dial, Hardlex crystal, day-date display and 30 m water resistance

  • StyleDress
  • MaterialStainless Steel
  • MovementAutomatic
  • ShapeRound
  • Dial ColorBlue
  • Dial MarkersIndex
  • Automatic 7S26 movement with 21 jewels for reliable timekeeping
  • Japan-made construction ensures quality craftsmanship
  • 30 m water resistance suits daily wear and light splashes
  • Stainless steel case and bracelet with deployment clasp for secure fit
  • Blue dial with day-date display and Hardlex crystal for clear readability

36 mm Automatic Dress Watch

The Seiko 5 SNXS77J1 is a 36.00 mm stainless-steel watch with an automatic 7S26 calibre and 21 jewels. A blue dial with index markers and a day-date window sits under Hardlex crystal. The integrated bracelet secures with a deployment clasp.

Compatibility Check

Verify that a 36.00 mm case diameter suits your wrist and that 30 m water resistance matches your daily exposure. The fixed bezel and pull-push crown mean no rotating timing function or screw-down crown. Automatic winding requires regular wear or a winder to stay running.

Upgrade Context

This model replaces a quartz dress watch or an older automatic lacking a day-date complication. The jump is worth it when you want Japanese-made mechanical movement, a vintage-inspired 60 mm heritage size and a steel bracelet without stepping to a higher-priced tier.

Highlights

  • Automatic 7S26 movement with 21 jewels for reliable timekeeping
  • Japan-made construction ensures quality craftsmanship
  • 30 m water resistance suits daily wear and light splashes
  • Stainless steel case and bracelet with deployment clasp for secure fit
  • Blue dial with day-date display and Hardlex crystal for clear readability

Specifications

BrandSeiko
StyleDress
MaterialStainless Steel
MovementAutomatic
ShapeRound
Dial ColorBlue
Dial MarkersIndex
DisplayAnalog
Band MaterialStainless Steel
FastenerDeployment Clasp
GenderMale
ConditionNew
BezelFixed Bezel
Case BackPull/Push Crown
Case MaterialStainless Steel
Case Thickness36.00 mm
CrystalHardlex Crystal
Water-Resistant30m
Special FeaturesHardlex Crystal,Deployment Clasp,Day and Date Display,Pull/Push Crown

Questions about this item

Does the box include the stainless-steel bracelet or must a strap be purchased separately?

The watch ships on its integral stainless-steel bracelet with a deployment clasp; no additional strap is required.

Should I choose the SNXS77J1 over other Seiko 5 references for the 7S26 calibre and 21 jewels?

This reference uses the 7S26 automatic calibre with 21 jewels, a proven Japanese movement that powers the day-date display.

What does the 30 m water-resistance rating mean for daily wear?

It protects against splashes, rain and hand-washing but is not suitable for swimming or diving.

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