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Seiko 5 automatic watch, blue dial, stainless steel case and bracelet, round 37.00 mm case, deployment clasp

Seiko

Seiko 5 Automatic SNKC51J1 Blue Dial Stainless Steel Watch

SKU CH-VW51-MFWDS

Automatic watch with 21 jewels, blue dial, day-date display and 30 m water resistance

  • StyleCasual
  • MaterialStainless Steel
  • MovementAutomatic
  • ShapeRound
  • Dial ColorBlue
  • Dial MarkersIndex
  • Automatic 7S26 calibre runs without a battery
  • 21 jewels reduce friction for smoother operation
  • Stainless steel case and bracelet resist daily wear
  • Hardlex crystal protects the blue dial from scratches
  • 30 m water resistance handles splashes and rain

Seiko 5 Automatic SNKC51J1 Blue Dial

This Seiko 5 automatic watch is built for daily wear with a stainless steel case and bracelet. The 21-jewel 7S26 calibre winds itself from wrist motion, so no battery changes are needed. A blue dial with index markers and a day-date window keeps the display clear. It suits anyone wanting a straightforward mechanical timepiece.

Mechanical reliability through the day

The automatic movement stores energy in its mainspring as you move, delivering consistent timekeeping across a full day of activity. With 21 jewels reducing friction, the calibre maintains its rate without the voltage drop that affects quartz cells. The fixed bezel and pull-push crown stay secure during regular motion. No winding ritual is required if the watch is worn daily.

Hardlex crystal and 30 m water resistance

Hardlex crystal protects the blue dial from everyday knocks and scratches. The stainless steel case measures 37.00 mm thick and is rated to 30 m water resistance, which covers splashes and brief immersion but not swimming. The deployment clasp locks the bracelet firmly without adding bulk. Power comes entirely from the wearer, so there is no battery to replace or charging cable to carry.

Highlights

  • Automatic 7S26 calibre runs without a battery
  • 21 jewels reduce friction for smoother operation
  • Stainless steel case and bracelet resist daily wear
  • Hardlex crystal protects the blue dial from scratches
  • 30 m water resistance handles splashes and rain

Specifications

BrandSeiko
StyleCasual
MaterialStainless Steel
MovementAutomatic
ShapeRound
Dial ColorBlue
Dial MarkersIndex
DisplayAnalog
DateDate
Band MaterialStainless Steel
FastenerDeployment Clasp
GenderMale
ConditionNew
BezelFixed Bezel
Case BackPull/Push Crown
Case MaterialStainless Steel
Case Thickness37.00 mm
CrystalHardlex Crystal
Water-Resistant30m
Special FeaturesHardlex Crystal,Deployment Clasp,Day and Date Display,Pull/Push Crown

Questions about this item

Does the 7S26 automatic movement generate heat or noise during all-day wear?

The 7S26 mechanical movement runs silently and produces no perceptible heat on the wrist.

What strap tool is required to adjust the stainless steel bracelet with its deployment clasp?

A spring-bar tool or fine pin punch is needed to remove links from the stainless steel bracelet.

Will the 37.00 mm case and 30 m water resistance suit daily desk work alongside vintage dress watches?

The 37.00 mm case fits under cuffs easily and 30 m resistance handles hand-washing, unlike many vintage pieces.

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