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Two-tone stainless steel watch with silver dial and bracelet, 43.00 mm case, 50 m water resistance

Seiko

Seiko 5 Automatic SNKN58K1 43.00mm Silver Dial 21 Jewels 50m Water Resistant

SKU CH-JMMB-BG5W6

Automatic watch with 21 jewels, 43.00mm silver dial, two-tone stainless steel case and bracelet, Hardlex crystal, day-date display and 50m water resistance

  • Watch movementAutomatic
  • Product shapeRound
  • Watch face colorSilver
  • Dial markingsIndex
  • Display typeAnalog
  • Date displayDate
  • Automatic movement runs without a battery thanks to the 7S26 calibre
  • 21 jewels reduce friction for smoother gear operation
  • Silver dial with index markers gives clear, legible time reading
  • Hardlex crystal resists everyday knocks and scratches
  • 50 m water resistance handles splashes and brief immersion

Two-Tone Stainless Steel Case

This Seiko 5 automatic watch features a 43.00mm two-tone stainless steel case paired with a matching bracelet. The silver dial uses index markers and includes a day and date display at the three o'clock position. It is powered by the Caliber 7S26 automatic movement with 21 jewels. Water resistance is rated to 50m for everyday splashes and brief immersion.

Automatic Movement Sustained Operation

The Caliber 7S26 movement winds itself through natural wrist motion during daily wear, maintaining operation without manual winding or a battery. With 21 jewels reducing friction in the gear train, the movement is designed for consistent timekeeping over long periods. The fixed bezel and pull/push crown simplify the case construction for reliable daily function. No hacking or hand-winding capability is provided by this calibre.

Hardlex Crystal and Deployment Clasp

The Hardlex crystal protects the dial from scratches and impacts encountered in casual use. A deployment clasp secures the two-tone bracelet with a push-button release that reduces stress on the links. Stainless steel construction throughout resists corrosion from sweat and moisture within the 50m rating. The case back uses a pull/push crown design for straightforward time and date adjustment.

How it compares

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

Price $184.99
Pricier than about 66% of the 2,679 comparable items (median $130.99).

Specifications

Product
Brand nameSeiko
Design styleCasual
Watch face colorSilver
Item conditionNew
Display
Display typeAnalog
Size & build
Main materialStainless Steel
Product shapeRound
Strap materialStainless Steel
Closure typeDeployment Clasp
Bezel typeFixed Bezel
Case constructionPull/Push Crown
Housing materialStainless Steel
Case size43 mm
Watch glassHardlex Crystal
Environment & compliance
Water resistance50m
More details
Watch movementAutomatic
Dial markingsIndex
Date displayDate
Suitable forMale

Questions about this item

Does the automatic movement need daily winding if I wear it all day?

The 7S26 calibre winds itself from wrist motion; wearing it all day keeps the mainspring charged without manual winding.

What strap size fits the supplied stainless-steel bracelet?

The bracelet uses a deployment clasp sized for the 43.00 mm case lugs; standard spring-bar straps of matching width will attach.

Will the Hardlex crystal and 50 m rating survive accidental splashes with older Seiko models I own?

Hardlex resists everyday knocks and the 50 m rating covers splashes and brief immersion, matching the protection on many vintage Seiko 5 references.

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