Computer watch manual and instructions

CREST Support and Service Center

Before diving with these diving equipment, please read and understand our product owner's manual completely.
Every time you use our products, please follow the specifications or recommendations in the product user manual.
Safe Dive!

CREST CR-4
user manual


Applicable firmware version: FW C01-5C
Update date: 2022.04.01.

Chinese version user manual

English User Manual

CREST CR-4
Quick Start Guide (QSG)

Chinese Version

English QSG

CREST CR-5
user manual

Chinese version user manual

English User Manual

日本語ユーザーマニュアル

CREST CR-5
Quick Start Guide (QSG)

Chinese Version

English QSG

日本語クイックスタートガイド

CREST CR-LITE
(CREST CR-5L)

user manual

Chinese version user manual

English User Manual