Front view of turquoise dial Grand Seiko on a stainless steel bracelet with a date window at three o'clock.
Atera Valley Grand Seiko with turquoise dial on bracelet set against a flowing river backdrop.
Grand Seiko Atera Valley turquoise dial on Ever-Brilliant steel bracelet 40mm Spring Drive watch with date at 3 o'clock
Close-up of turquoise dial on Grand Seiko Atera Valley watch showing logo and date at 3 o'clock on Ever-Brilliant steel bracelet
Macro view of turquoise dial detailing Grand Seiko logo Spring Drive UFA with brushed hour markers on Ever-Brilliant steel bracelet
Grand Seiko 40mm Spring Drive watch with turquoise sunburst dial on stainless steel bracelet
Close up of Grand Seiko Spring Drive watch showing turquoise dial crown with GS logo and brushed steel case
Grand Seiko movement with Spring Drive Ultra Fine Accuracy inscription and visible gears

Authorized Dealer.

Grand Seiko

SLGB011 E9 "Atera Valley" Spring Drive UFA Ever-Brilliant Steel 40mm - Turquoise on Bracelet

$10,200

Expected ETA on availability is September, 2026.
Grand Seiko
$10,200

SLGB011 E9 "Atera Valley" Spring Drive UFA Ever-Brilliant Steel 40mm - Turquoise on Bracelet

The Details

  • 40 mm

    Case Size

  • 11.7 mm

    Case Height

  • 47.9 mm

    Lug to Lug

  • 100m

    Water Resistance

Overview

Case Height

11.7 mm

Case Size

40 mm

Style

Everyday

Lug to Lug

47.9 mm

Lug Width

22 mm

Movement

Automatic

Release Date

2026-06-23

Water Resistance

100m

Case

Caseback

See-through & screw caseback with sapphire crystal

Case Material

Ever-Brilliant Stainless Steel

Clasp / Buckle

Micro-adjustment clasp

Crown

Screw-down

Crystal

Box shaped sapphire crystal with anti-reflective coating on inner surface

Dial Color

Turquoise

Strap / Bracelet Material

Ever-Brilliant stainless steel bracelet with micro-adjust

Movement

Accuracy

±20 secs/year (±3 secs/month)

Caliber

9RB2

Features

Magnetic resistance 4,800 A/m, offset magic lever, one-piece center bridge, power-reserve indicator and date display

Function

Date

Jewels

34 Jewels

Movement

Spring Drive UFA automatic with manual winding

Power Reserve

72 Hours

Why Buy From Teddy?

All watches ship free within the U.S.

Manufacturer's warranty on all orders

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About Grand Seiko

The Nature Of Time

Beginning with just a single model back in 1960, Grand Seiko has a long-established history of eye-catching elegant design, best-in-class finishing, and industry-shaking movement technology. One of the only vertically integrated watchmakers on the market, Grand Seiko upholds true Japanese engineering excellence with every crafted piece, down to growing its own sapphire crystals to protect the stunning dials.

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