The Casio MTP-B315D-1AV is a classic 3-hand analog watch featuring a dedicated 24-hour subdial. Built with a durable stainless steel case and bezel, it combines a refined aesthetic with everyday practicality.

Equipped with a sturdy stainless steel band and a one-touch 3-fold clasp, this timepiece provides a secure and comfortable fit. The mineral glass face and screw lock back offer dependable protection against everyday wear.

Featuring 50-meter water resistance, this watch is suitable for diverse everyday settings. It runs on an SR621SW battery with an approximate battery life of 3 years.

Key Features

Brand	Casio
Model Number	MTP-B315D-1AV
Case Size (L × W × H)	46.5 × 40 × 9.7 mm
Weight	101 g
Case and Bezel Material	Stainless steel
Band	Stainless Steel Band, One-touch 3-fold Clasp
Water Resistance	50 m (5 bar)
Power Supply and Battery Life	Approx. 3 years on SR621SW
Glass	Mineral Glass
Back Plate	Screw Lock Back
Compatible Band Size	150 to 205 mm
Accuracy	±20 seconds per month
Regular Timekeeping	Analog: 3 hands (hour, minute, second), dial (24-hour)

Highlights

5 bar water resistant
Suitable for use in various environments

Downloads

Operation Guide

Frequently asked questions

What is the water resistance rating of this watch?

It features 50-meter (5 bar) water resistance.

What materials are used for the case and band?

Both the case and the band are constructed from stainless steel.

What type of glass protects the watch face?

The watch features mineral glass.

What is the expected battery life?

The SR621SW battery provides an approximate life of 3 years.

What are the dimensions and weight of the watch?

The case measures 46.5 × 40 × 9.7 mm, and the total weight is 101 g.

What wrist sizes are compatible with the band?

The band fits wrist sizes from 150 to 205 mm.

Casio Classic Black Dial Quartz Watch MTP-B315D-1AVDF