Side by side

Boldr BlastoisevsGrand Seiko SLGA015

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

Blastoise
BoldrBlastoise
MSRP $449
SLGA015
Grand SeikoSLGA015
MSRP $12,600

At a glance

12 of 29 specs differ
Diameter
Blastoise40mm
SLGA01543.8mm
Power Reserve
Blastoise40h
SLGA015120h
Water Resistance
Blastoise200m
SLGA015200m
MSRP
Blastoise$449
SLGA015$12,600

Full specifications

Case

5 specs
Diameter
40mm
43.8mm
Thickness
12mm
13.8mm
Lug-to-Lug
49.5mm
51.5mm
Lug Width
20mm
23mm
Material
Stainless Steel
Titanium

Crystal & Dial

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

Movement

3 specs
Caliber
Seiko (SII) NH37
9RA5
Type
Automatic
Spring Drive
Power Reserve
40h
120h

Pricing

1 specs
MSRP
$449
$12,600

Follow this matchup

Get a note when Boldr Blastoise vs Grand Seiko SLGA015 gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.