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Stainless steel round watch with black dial and metal bracelet

Seiko

Seiko 5 Automatic SNK063J5 Unisex Watch

SKU CH-EJKQ-GH0CH

Japanese-made automatic watch with 21-jewel 7S26 calibre, day-date display and 30 m water resistance

  • StyleDress
  • MaterialStainless Steel
  • MovementAutomatic
  • ShapeRound
  • Dial ColorBlack
  • DisplayAnalog
  • Automatic movement powers the watch without a battery
  • 21-jewel caliber 7S26 ensures smooth mechanical operation
  • Stainless steel case and bracelet resist daily wear
  • Hardlex crystal protects the dial from scratches
  • 30 m water resistance handles splashes and brief immersion

What this watch is and who it suits

The Seiko 5 Automatic SNK063J5 is a Japanese-made mechanical timepiece with a stainless steel case and bracelet. It runs on the 7S26 calibre with 21 jewels and shows the day and date on a black analog dial. The unisex dress style fits daily office wear or casual weekends.

The specification that decides fit

Water resistance is rated at 30 metres, which protects only against splashes and brief immersion. The fixed bezel and Hardlex crystal add durability for desk work, but the watch is not intended for swimming or diving. Buyers who need higher water protection should look elsewhere.

Installation ease and common issues

The deployment clasp secures the bracelet without tools once the links are sized to the wrist. A watchmaker can adjust the bracelet in minutes. The automatic movement stops if left unworn for roughly two days, so regular wear or a simple shake restarts it.

Highlights

  • Automatic movement powers the watch without a battery
  • 21-jewel caliber 7S26 ensures smooth mechanical operation
  • Stainless steel case and bracelet resist daily wear
  • Hardlex crystal protects the dial from scratches
  • 30 m water resistance handles splashes and brief immersion

Specifications

BrandSeiko
StyleDress
MaterialStainless Steel
MovementAutomatic
ShapeRound
Dial ColorBlack
DisplayAnalog
DateDate
Band MaterialStainless Steel
FastenerDeployment Clasp
GenderUnisex
ConditionNew
BezelFixed Bezel
Case MaterialStainless Steel
Case Thickness34.00 mm
CrystalHardlex Crystal
Water-Resistant30m
Special FeaturesHardlex Crystal,Deployment Clasp,Day and Date Display

Questions about this item

What does the 21-jewel automatic movement mean for daily wear?

The 21-jewel 7S26 calibre winds itself from wrist motion, so the watch keeps running without a battery or manual winding as long as it is worn regularly.

What does the 30 m water-resistance rating actually allow?

It protects against splashes, rain and brief immersion such as hand-washing, but it is not suitable for swimming, showering or any water pressure.

Will the 34 mm case and stainless-steel bracelet fit a smaller wrist?

The 34 mm case diameter and adjustable deployment-clasp bracelet are designed to sit comfortably on a wide range of wrist sizes, including smaller wrists.

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