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Black round analog-digital watch with metal-clad bezel and resin strap

CASIO

Casio G-Shock GM-2100BB-1A 200m watch

SKU CH-XQ0J-RPAWY

A 200 m water-resistant analog-digital watch with a black ion-plated metal bezel, resin case and strap, and quartz caliber 5611

  • StyleSports
  • MaterialResin
  • MovementQuartz
  • ShapeRound
  • Dial ColorBlack
  • Dial MarkersIndex
  • 200 m water resistance for swimming and diving
  • Black ion-plated metal-clad bezel adds premium durability
  • Analog-digital display shows time, date and day
  • Quartz caliber 5611 delivers reliable accuracy
  • 40 mm resin case balances toughness with comfort

Everyday Tough Timepiece

The GM-2100BB-1A is a men's analog-digital watch built around a 5611 quartz calibre. A resin case and strap keep the profile light while the black ion-plated metal bezel adds a rigid edge. Mineral crystal protects the black dial and the 200 metre water resistance covers swimming and recreational diving.

Step Up From Plastic Bezels

Moving from a standard resin-bezel G-Shock to this metal-clad version adds scratch resistance and a more formal look without changing the 44.40 mm case footprint. The upgrade makes sense when the watch must survive desk work and weekend sport without a strap change.

Steady Through Long Days

Quartz regulation means the display stays accurate over months, not just hours, and the mineral crystal resists daily knocks better than acrylic. The fixed bezel and buckle clasp eliminate moving parts that loosen under vibration, so the watch keeps running through extended wear.

商品特色

  • 200 m water resistance for swimming and diving
  • Black ion-plated metal-clad bezel adds premium durability
  • Analog-digital display shows time, date and day
  • Quartz caliber 5611 delivers reliable accuracy
  • 40 mm resin case balances toughness with comfort

商品規格

BrandCASIO
StyleSports
MaterialResin
MovementQuartz
ShapeRound
Dial ColorBlack
Dial MarkersIndex
DisplayAnalog Digital
DateDate
Band MaterialResin
FastenerBuckle Clasp
GenderMale
ConditionNew
BezelFixed Bezel
Case MaterialResin
Case Thickness44.40 mm
CrystalMineral Crystal
Water-Resistant200m
Special FeaturesMineral Crystal,Buckle Clasp,Month, Day And Date Display

商品問答

What case thickness should I allow for when choosing a strap or fitting under a cuff?

The case measures 44.40 mm thick so allow that clearance for straps or shirt cuffs.

How is the buckle clasp fitted to the resin band and what is the common mistake?

The band uses a standard buckle clasp; the frequent error is threading the strap backward so the keeper sits on the wrong side.

What does the 200m water-resistance rating mean for long-term seal maintenance?

The 200 m rating covers swimming and diving; have the seals pressure-tested and replaced during each battery change to keep that rating valid.

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