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Seiko

Seiko 5 Automatic SNKK07 Men's Watch

SKU CH-RJA8-ZECS3

An automatic dress watch with a 39.00 mm stainless steel case, silver-white dial, day-date display and 30 m water resistance

  • StyleDress
  • MaterialStainless Steel
  • MovementAutomatic
  • ShapeRound
  • Dial ColorSilver and White
  • Dial MarkersIndex
  • Automatic 7S26 movement keeps time without a battery
  • 21 jewels reduce friction for smooth operation
  • Stainless steel case and bracelet resist daily wear
  • Hardlex crystal protects the silver-white dial from scratches
  • 30 m water resistance handles splashes and brief immersion

Seiko 5 Automatic SNKK07

The Seiko 5 Automatic SNKK07 is a dress watch for men who want a mechanical timepiece with a clean silver and white dial. Its 39.00 mm stainless steel case and matching bracelet suit daily office wear and occasional formal events. The automatic 7S26 calibre with 21 jewels runs without a battery.

Build Quality and Daily Wear

A fixed bezel and Hardlex crystal protect the analog display while the fold-over clasp secures the stainless steel bracelet on the wrist. Water resistance to 30 m handles splashes and brief immersion but not swimming. The pull/push crown sets the day and date complication quickly each morning.

Upgrade Path and Limits

This model replaces quartz dress watches that need battery changes and lack a sweeping seconds hand. The jump is worth it for buyers who value mechanical movement and a solid steel build. It is not for buyers who want more water resistance, a sapphire crystal or a larger case diameter.

Highlights

  • Automatic 7S26 movement keeps time without a battery
  • 21 jewels reduce friction for smooth operation
  • Stainless steel case and bracelet resist daily wear
  • Hardlex crystal protects the silver-white dial from scratches
  • 30 m water resistance handles splashes and brief immersion

Specifications

BrandSeiko
StyleDress
MaterialStainless Steel
MovementAutomatic
ShapeRound
Dial ColorSilver and White
Dial MarkersIndex
DisplayAnalog
DateDate
Band MaterialStainless Steel
FastenerFold Over Clasp
GenderMale
ConditionNew
BezelFixed Bezel
Case BackPull/Push Crown
Case MaterialStainless Steel
Case Thickness39.00 mm
CrystalHardlex Crystal
Water-Resistant30m
Special FeaturesHardlex Crystal,Fold Over Clasp,Day and Date Display,Pull/Push Crown

Questions about this item

What water-resistance depth does the 30 m rating on this Seiko 5 actually cover?

The 30 m rating protects against splashes and brief immersion such as rain or hand-washing; it is not suitable for swimming or showering.

How much wrist clearance does the 39.00 mm case thickness require?

At 39.00 mm thick the case sits noticeably proud of the wrist, so allow at least that much space under shirt cuffs for comfort.

How do I set the day and date using the pull/push crown without damaging the 7S26 movement?

Pull the crown to the first click for date, second click for time; avoid changing the date between 9 pm and 3 am when the mechanism is engaged.

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