Shown: reference SBGD228J · Photo: Grand Seiko
Grand Seiko

SBGD228J Reference SBGD228J

Overview

A 44.5 mm 18k rose gold case defines the Grand Seiko SBGD228J. Inside is the Grand Seiko calibre 9R01, which has a 192 hour power reserve. The watch is water resistant to 100 metres. The model has one reference, SBGD228J.

Case diameter
44.5 mm
14.4 mm thick
Movement
Calibre 9R01
Water resistance
100 m
Power reserve
Approx. 192 hours(8 days)

Specifications

Specifications from Grand Seiko. Last checked . Sources

Case

Diameter
44.5 mm
Thickness
14.4 mm
Lug width
23 mm
Material
18k rose gold
Crystal
Sapphire
Case back
Open
Water resistance
100 m

Movement

Type
Spring Drive
Power reserve
Approx. 192 hours(8 days)
Jewels
56

Bracelet or strap

Bracelet or strap
Crocodile leather
Clasp
Folding clasp with push button release

Not yet recorded: lug-to-lug, shape, colour, indexes, hands, functions, years.

Sources

  • Grand Seiko: case, water resistance, movement, bracelet. View sources

Missing values are shown as not yet recorded, never estimated. How we source our data

MovementGrand Seiko calibre 9R01Specifications and every watch that uses it

SBGD228J questions

What size is the Grand Seiko SBGD228J?

The Grand Seiko SBGD228J has a 44.5 mm case.

What movement does the Grand Seiko SBGD228J use?

It uses the Grand Seiko calibre 9R01.

What is the Grand Seiko SBGD228J case made of?

The case is 18k rose gold.

Is the Grand Seiko SBGD228J water resistant?

It is rated to 100 m.