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Gold-tone stainless steel round watch, black dial with Roman numerals, metal bracelet, 37mm case

Seiko

Seiko 5 SNKL40K1 Automatic 21 Jewels Gold Tone Stainless Steel 37mm 30M Water Resistant Men's Watch

SKU CH-VFYE-EHPRJ

Automatic 21-jewel movement powers a 37 mm gold-tone stainless steel case with black dial, Roman numerals, day-date display and 30 m water resistance

  • Watch movementAutomatic
  • Product shapeRound
  • Watch face colorBlack
  • Dial markingsIndex With Roman Numerals At 2, 4, 6, 8, 10 & 12 O'Clock
  • Display typeAnalog
  • Date displayDate
  • Automatic 21-jewel movement keeps time without a battery
  • Gold-tone stainless steel case and bracelet resist daily wear
  • Hardlex crystal protects the black dial from scratches
  • Day and date display at three o'clock adds everyday utility
  • 30 m water resistance handles splashes and brief immersion

What the watch is and who it suits

The Seiko 5 SNKL40K1 is an automatic dress watch with a 37 mm gold-tone stainless steel case and a matching bracelet. It runs on the Caliber 7S26 movement with 21 jewels and shows the day and date at the three o'clock position. Black dial markers combine indexes with Roman numerals at every even hour. The Hardlex crystal and see-through case back complete the classic look.

Thermals noise and power draw in normal use

A mechanical movement needs no battery and produces no electronic noise or measurable heat during daily wear. Power comes entirely from the motion of the wearer's wrist, so there is no charging routine or standby consumption to manage. The 30 m water resistance rating protects against splashes and brief immersion but is not intended for swimming or diving.

What the bundled accessories actually change

The folding clasp with push-button release secures the bracelet quickly and reduces the risk of accidental opening. Hardlex crystal adds scratch resistance compared with standard mineral glass while keeping the cost below sapphire. The exhibition case back lets the owner view the automatic rotor and 21-jewel movement without affecting durability or water resistance.

How it compares

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

Price $154.99
Pricier than about 57% 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 materialGold Tone Stainless Steel
Product shapeRound
Strap materialStainless Steel
Closure typeFolding Clasp With Push Button Release
Bezel typeFixed Bezel
Housing materialGold Tone Stainless Steel
Case size37 mm
Watch glassHardlex Crystal
Environment & compliance
Water resistance30m
More details
Watch movementAutomatic
Dial markingsIndex With Roman Numerals At 2, 4, 6, 8, 10 & 12 O'Clock
Date displayDate
Suitable forMale

Questions about this item

How do I set the day and date on the Caliber 7S26 movement, and what step do people often miss?

Pull the crown to the first click to change the date, then to the second click for the day; the step many miss is advancing the hands past 12 o'clock at night so the day and date flip together.

What part of the watch will need service or replacement after several years of daily wear?

The automatic Caliber 7S26 movement will eventually require a full service — cleaning, lubrication and gasket replacement — typically every three to five years to maintain accuracy and 30m water resistance.

Where does the 30m water-resistance limit show up first during sustained exposure to moisture?

The 30m rating only covers splashes and brief immersion; sustained water pressure from swimming or showering will breach the seals at the crown, case back and crystal first.

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