Side by side

Seiko Ice DivervsGruppo Gamma Field III GMT

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

Ice Diver
SeikoIce Diver
MSRP $900
Field III GMT
Gruppo GammaField III GMT
MSRP $459

At a glance

12 of 29 specs differ
Diameter
Ice Diver45mm
Field III GMT40mm
Power Reserve
Ice Diver70h
Field III GMT41h
Water Resistance
Ice Diver200m
Field III GMT200m
MSRP
Ice Diver$900
Field III GMT$459

Full specifications

Case

5 specs
Category
Diver
GMT
Diameter
45mm
40mm
Thickness
12.9mm
14mm
Lug-to-Lug
52.6mm
48.5mm
Lug Width
20mm
22mm

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
LumiBrite
Super-LumiNova

Movement

4 specs
Caliber
6R35
Seiko Instruments NH38A
Power Reserve
70h
41h
Jewels
24
25
Complications
None
GMT

Pricing

1 specs
MSRP
$900
$459

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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.

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.

Gruppo Gamma Field III GMT

Owners praise the Gruppo Gamma Field III GMT for its look and value, with specific mentions of its sandwich dial and comfortable OEM straps. One owner notes incredible quality for the price across their Gruppo Gamma watches. The watch features a 40mm brushed stainless steel case, box sapphire crystal, and a Seiko NH34A movement with a 41-hour power reserve and stated accuracy of -20~+40 s/day. Some find the lack of a date window a drawback for a GMT, and question its differentiation from other NH34-powered watches. On balance, owners and reviewers find the Gruppo Gamma Field III GMT to be a good value with quality construction for its price point.

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