Shown: reference SBGM221
Grand Seiko

Automatic Hi Beat 36000 GMT Reference SBGM221

Automatic Hi Beat 36000 GMT Stainless Steel / Silver / Strap

Overview

The Grand Seiko Automatic Hi Beat 36000 GMT has a 39.5 mm stainless steel case with a white dial. Inside is the self-winding Grand Seiko calibre 9S66, which has a 72 hour power reserve. The watch is water resistant to 100 metres. The model has one reference, SBGM221.

Case diameter
39.5 mm
13.7 mm thick
Movement
Calibre 9S66
Water resistance
100 m
Power reserve
Approx. 72 hours(3 days)

Specifications

Specifications from Grand Seiko and WatchBase. Last checked . Sources

Case

Diameter
39.5 mm
Thickness
13.7 mm
Lug width
19 mm
Crystal
Sapphire
Case back
Open
Water resistance
100 m
Weight
88 g

Dial

Colour
White

Movement

Type
Automatic
Power reserve
Approx. 72 hours(3 days)
Jewels
35

Bracelet or strap

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

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

Sources

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

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

MovementGrand Seiko calibre 9S66Specifications and every watch that uses it

Automatic Hi Beat 36000 GMT questions

What size is the Grand Seiko Automatic Hi Beat 36000 GMT?

The Grand Seiko Automatic Hi Beat 36000 GMT has a 39.5 mm case.

What movement does the Grand Seiko Automatic Hi Beat 36000 GMT use?

It uses the Grand Seiko calibre 9S66.

What is the Grand Seiko Automatic Hi Beat 36000 GMT case made of?

The case is stainless steel.

Is the Grand Seiko Automatic Hi Beat 36000 GMT water resistant?

It is rated to 100 m.