We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
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

  • Watch movementAutomatic
  • Product shapeRound
  • Watch face colorBlack
  • Display typeAnalog
  • Date displayDate
  • Strap materialStainless Steel
  • 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.

How it compares

Measured against everything we stock in Analog & Digital Wristwatches, at today’s prices. Recalculated every night.

Price $150.99
Pricier than about 56% of the 2,679 comparable items (median $130.99).

Specifications

Product
Brand nameSeiko
Design styleDress
Watch face colorBlack
Item conditionNew
Display
Display typeAnalog
Size & build
Main materialStainless Steel
Product shapeRound
Strap materialStainless Steel
Closure typeDeployment Clasp
Bezel typeFixed Bezel
Housing materialStainless Steel
Case size34 mm
Watch glassHardlex Crystal
Environment & compliance
Water resistance30m
More details
Watch movementAutomatic
Date displayDate
Suitable forUnisex

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.

More in Analog & Digital Wristwatches

Similar items