OPTA SB 042

Scoring parameters
How is the score calculated?

This is a relative score calculated on the basis of the following specifications:

  • Performance
  • Smart features (Voice calling, fingerprint sensor)
  • Camera
  • Storage
  • Display

Each smart watchess has been benchmarked against ~31,000 other phones to calculate the score.

For personalized scores based on your preference, you can visit smart watches Recommender to check scores of the recommended smart watchess for you.

Last updated: 24 September 2025
This product is currently not available in any online store

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Opta Smart Watches

Opta Sb 042 Full Specifications

Key Specs

  • Display

    0.96 inch | OLED | 128 x 64 pixels
  • Battery

    90 mAh, Li-ion | via USB
  • Features

    Water proof | Fitness Tracking
  • Design

    Circular, Curved Dial | Stainless Steel Body | Silicon Strap

Activity Tracker

  • Heart Rate

    Yes
  • Active Minutes

    Yes
  • Hours Slept

    Yes
  • Steps

    Yes
  • Sleep Quality

    Yes
  • Distance

    Yes
  • Calories Intake/ Burned

    Yes

Additional Features

  • Stopwatch

    Yes
  • Reminders

    Yes
  • Alarm Clock

    Yes

Battery

  • Capacity/type

    90 mAh, Li-ion
  • Charging Mode

    via USB

Compatibility

  • Compatible OS

    Android v4.4, iOS

Connectivity

  • USB Connectivity

    No
  • Bluetooth

    Yes, v4.0, BLE

Design

  • Colours

    Black, Silver
  • Shape & Surface

    Circular, Curved
  • Clock Face

    Digital
  • Interface

    LED Indicator, Touch
  • Strap Material

    Silicon
  • Body Material

    Stainless Steel

Display

  • Display Technology

    OLED
  • Screen Resolution

    128 x 64 pixels
  • Pixel Density (sharpness)

    149 ppi
  • Touch Screen

    Yes, Capacitive Touchscreen, Multi-touch
  • Screen Size

    0.96 Inch

Features

  • Water Resistance

    Yes, IP Certified IP67
  • Dust Resistance

    Yes

General

  • Brand

    opta
  • Model

    SB-042
  • Box Contents

    Smart Watch, Micro USB Cable, Warranty Card, User Manual

Notifications

  • Twitter

    Yes
  • Text Message

    Yes
  • Alarm

    Yes
  • Calendar Reminder

    Yes
  • Timer

    Yes
  • Incoming Call

    Yes
  • Facebook

    Yes
  • Email

    Yes
  • Instagram

    Yes

Sensors

  • Accelerometer

    Yes
  • Motion

    Yes
  • Pedometer

    Yes

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