Side by side

Grand Seiko SBGE307vsSeiko Ice Diver

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

SBGE307
Grand SeikoSBGE307
MSRP $11,500
Ice Diver
SeikoIce Diver
MSRP $900

At a glance

13 of 29 specs differ
Diameter
SBGE30744.5mm
Ice Diver45mm
Power Reserve
SBGE30772h
Ice Diver70h
Water Resistance
SBGE307200m
Ice Diver200m
MSRP
SBGE307$11,500
Ice Diver$900

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
44.5mm
45mm
Thickness
14.9mm
12.9mm
Lug-to-Lug
50mm
52.6mm
Lug Width
23mm
20mm
Material
Titanium
Stainless Steel

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Lume
None
LumiBrite

Movement

4 specs
Caliber
9R66
6R35
Type
Spring Drive
Automatic
Power Reserve
72h
70h
Jewels
25
24

Pricing

1 specs
MSRP
$11,500
$900

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Grand Seiko SBGE307

The Grand Seiko SBGE307 is praised for its unique "lion's mane" textured ivory dial and angular, modern titanium case featuring Zaratsu polishing. Reviewers highlight the aggressive, claw-shaped lugs and the contrasting hairline finishing, as well as the brownish-red GMT hand as a notable accent. The watch is powered by the 9R66 Spring Drive movement, offering a 72-hour power reserve and accuracy rated at +/- 15 seconds per month by one source, and +/- 1 second per day by another. It is priced at $10,700 USD and offers 200m water resistance. On balance, reviewers find the Grand Seiko SBGE307 to be a striking timepiece distinguished by its textured dial and sharp case finishing.

Seiko Ice Diver

Owners widely praise the Seiko Prospex Sea for its robust build, classic dive watch design, and excellent value, with many highlighting its strong lume and comfortable wearability. Reviewers consistently flag its superior bezel action and overall finishing as standout features for its price point. Some owners find the 43mm case size substantial, with one noting it felt big, thick, and heavy on a 6.5-inch wrist, though others consider it a perfect size. The movement's power reserve is noted as less than newer variants by one reviewer. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its classic design and robust build at an accessible price.

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