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
Round stainless steel digital watch with rotating bezel and black dial

Seiko

Seiko Rotocall Digital Chronograph SMGG17P1 100M watch

SKU CH-23DC-KFED6

A 37.0 mm stainless steel digital chronograph with 100 m water resistance and a rotating bezel

  • StyleChronograph
  • MaterialStainless Steel
  • MovementQuartz
  • ShapeRound
  • Dial ColorBlack
  • DisplayDigital
  • Quartz precision within ±20 seconds monthly with Caliber A824
  • 100 m water resistance for swimming and snorkelling
  • Rotating bezel and rotary switch for quick timer control
  • 100-hour chronograph measuring 1/100 second increments
  • Three-year battery life with low-power warning function

Tribute Rotocall re-creation

The Seiko Rotocall SMGG17P1 re-creates the fan-favorite 1980s design with modern quartz technology. A 37.0 mm stainless steel case and matching bracelet suit adults who want a vintage digital chronograph on the wrist. The rotating bezel and rotary switch echo the original aesthetic while the Caliber A824 movement delivers plus or minus 20 seconds per month accuracy.

Digital chronograph limits

The 100-hour stopwatch resolves to 1/100 second increments, so timing longer events requires a reset. A single-time alarm and dual-time display cover basic travel needs without multiple independent alarms. The three-year battery life and low-battery warning reduce surprise stoppages, yet the screw case back means a tool is needed for replacement.

Steel build and daily wear

Hardlex crystal protects the black digital dial from everyday knocks while the 100 metre water rating supports swimming and snorkelling. The 10.6 mm case thickness and 43.5 mm lug-to-lug span sit flat under a cuff. A 20 mm lug width accepts standard straps, and the three-fold deployment clasp with push-button release secures the bracelet without fiddling.

Highlights

  • Quartz precision within ±20 seconds monthly with Caliber A824
  • 100 m water resistance for swimming and snorkelling
  • Rotating bezel and rotary switch for quick timer control
  • 100-hour chronograph measuring 1/100 second increments
  • Three-year battery life with low-power warning function

Specifications

BrandSeiko
StyleChronograph
MaterialStainless Steel
MovementQuartz
ShapeRound
Dial ColorBlack
DisplayDigital
DateDate
Band MaterialStainless Steel
FastenerDeployment Clasp
GenderMale
AgeAdult
ConditionNew
BezelRotating Bezel
Case MaterialStainless Steel
Case Thickness37.00 mm
CrystalHardlex Crystal
Water-Resistant100m
Special FeaturesHardlex Crystal,Deployment Clasp,Day and Date Display
AlarmYes

Questions about this item

Should I choose the 37.0 mm case size or a different diameter for my wrist?

The watch has a single 37.0 mm case diameter with a 43.5 mm lug-to-lug distance and 20 mm lug width, so sizing depends on how those dimensions fit your wrist rather than choosing between versions.

What does the 100 m water resistance rating mean for daily use?

A 100 m rating covers swimming and recreational diving, but the screw-down case back and rotating bezel should be checked before water exposure.

How does the Caliber A824 quartz movement affect timekeeping accuracy?

The Caliber A824 quartz movement delivers an accuracy of plus or minus 20 seconds per month with a battery life of approximately 3 years.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.