Side by side

Spinnaker Hull DivervsGruppo Gamma Field III GMT Date

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

Hull Diver
SpinnakerHull Diver
MSRP $375
Field III GMT Date
Gruppo GammaField III GMT Date
MSRP $459

At a glance

13 of 29 specs differ
Diameter
Hull Diver42mm
Field III GMT Date40mm
Power Reserve
Hull Diver40h
Field III GMT Date41h
Water Resistance
Hull Diver300m
Field III GMT Date200m
MSRP
Hull Diver$375
Field III GMT Date$459

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
42mm
40mm
Thickness
15mm
14mm
Lug-to-Lug
47.5mm
48.5mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Green
Black
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
SII NH35A
Seiko Instruments NH38A
Power Reserve
40h
41h
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$375
$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.

Spinnaker Hull Diver

The Spinnaker Hull Diver is widely praised for its excellent build quality, featuring a milled clasp, solid links, and a strong anti-reflective coating on its sapphire crystal. Owners highlight its value, with one calling it one of their best affordable watches at $170, and appreciate the dual-part case construction that contributes to a reduced thickness. The blue dial is noted for its attractive play of light, and the screw-down crown is easy to operate. However, the lume is considered average, and some desire a higher beat movement. On balance, owners rate the Spinnaker Hull Diver highly for its robust construction and strong value proposition at its price point.

Gruppo Gamma Field III GMT Date

Owners widely praise the Gruppo Gamma Field III GMT Date for its awesome looks, quality, and good value. The watch features a 40mm brushed 316L stainless steel case, box sapphire crystal, and 200m water resistance, powered by a Seiko NH34A movement. Some reviewers note the NH34A movement's accuracy can range from -20~+40 seconds per day, though one reviewer reported +5 seconds per day with a regulated movement. The dial's dense layout with Arabic numerals can be overwhelming for some, and one owner found the size unsuitable for smaller wrists. On balance, owners rate the Gruppo Gamma Field III GMT Date highly for its impressive finishing and toolish design at its price point.

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