Side by side
Helgray Bomber Quartz - Brigadier Gray (Prototype)vsGrand Seiko SLGB023
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Bomber Quartz - Brigadier Gray (Prototype)40mm
SLGB02340.8mm
Power Reserve
Bomber Quartz - Brigadier Gray (Prototype)40h
SLGB02372h
Water Resistance
Bomber Quartz - Brigadier Gray (Prototype)100m
SLGB023300m
MSRP
Bomber Quartz - Brigadier Gray (Prototype)$249
SLGB023$12,400
Full specifications
Case
7 specsCategory
Pilot
Diver
Diameter
40mm
40.8mm
Thickness
12mm
12.9mm
Lug-to-Lug
46mm
48.5mm
Lug Width
20mm
21mm
Material
Stainless Steel
Titanium
Water Resistance
100m
300m
Crystal & Dial
1 specsAR Coating
Inner
Yes
Movement
3 specsCaliber
—
9RB1
Type
Automatic
Spring Drive
Power Reserve
40h
72h
Pricing
1 specsMSRP
$249
$12,400
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Helgray Bomber Quartz - Brigadier Gray (Prototype) vs Grand Seiko SLGB023 gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Ikepod ManateevsGrand Seiko SLGB023Marnaut Safe Harbour 100C Safe Harbour Classic 100 (cushion case, multi-subdial complication, applied batons)vsGrand Seiko SLGB023Geckota Pioneer Graphite Special EditionvsGrand Seiko SLGB023Geckota Pioneer Classic EditionvsGrand Seiko SLGB023Baltic Aquascaphe TitaniumvsHelgray Bomber Quartz - Brigadier Gray (Prototype)Helgray Bomber Quartz - Brigadier Gray (Prototype)vsHelgray Poseidon Diver (Automatic)










