Side by side

Borealis Watch Co. JamantavsGrand Seiko SLGA001

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

Jamanta
Borealis Watch Co.Jamanta
MSRP $415
SLGA001
Grand SeikoSLGA001
MSRP $11,100

At a glance

11 of 29 specs differ
Diameter
Jamanta42.50mm
SLGA00146.9mm
Power Reserve
Jamanta40h
SLGA001120h
Water Resistance
Jamanta300m
SLGA001100m
MSRP
Jamanta$415
SLGA001$11,100

Full specifications

Case

6 specs
Diameter
42.50mm
46.9mm
Thickness
13.30mm
16mm
Lug-to-Lug
50.40mm
50.8mm
Lug Width
22mm
23mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

1 specs
Lume
BGW9
None

Movement

3 specs
Caliber
Miyota 9015
9RA5
Type
Automatic
Spring Drive
Power Reserve
40h
120h

Pricing

1 specs
MSRP
$415
$11,100

Follow this matchup

Get a note when Borealis Watch Co. Jamanta vs Grand Seiko SLGA001 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.

Zelos Great White 43
Zelosmicro

Great White 43

3 variantsGreat White
43mm·Automatic·300m WR
$599MSRP
—Used
Phoibos Leviathan
Phoibosmicro

Leviathan

2 watches · 5 variantsLeviathan
45mm·Automatic·500m WR
$309MSRP
—Used
Phoibos Apollo Titanium
Phoibosmicro

Apollo Titanium

2 variantsApollo Titanium
41mm·Automatic·300m WR
$575MSRP
—Used
Islander Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18
Islandermicro
Dive Watches Guide

Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18

7 watches · 7 variantsDive Watches Guide
43mm·Automatic·200m WR
$429MSRP
—Used
Marathon OSAR-D (Original SAR with Date) Automatic 46mm
Marathonmicro

OSAR-D (Original SAR with Date) Automatic 46mm

6 watches · 6 variantsOSAR
46mm·Automatic·300m WR
$2,500MSRP
—Used
Zelos Thresher 44
Zelosmicro

Thresher 44

2 watches · 10 variantsThresher
44mm·Automatic·500m WR
$549MSRP
—Used
Islander Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301
Islandermicro
Turtle

Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301

Ref. islander-automatic-turtle-dive-watch-with-blue-dial-isl-301
45mm·Automatic·200m WR
$399MSRP
—Used
Ikepod Seapod S002
Ikepodmicro

Seapod S002

Ref. 91-seapod-s002-jacques
46mm·Automatic·200m WR
$1,458MSRP
—Used
All alternatives to the Jamanta →All alternatives to the SLGA001 →
Explore the full catalog
Adjacent matchups

People also compared

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

Grand Seiko SLGA001vsZelos Great White 43Phoibos Apollo TitaniumvsGrand Seiko SLGA001Phoibos Great WallvsGrand Seiko SLGA001Grand Seiko SLGA001vsZelos Thresher 44Phoibos LeviathanvsBorealis Watch Co. JamantaIslander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18vsBorealis Watch Co. Jamanta
Edit this comparisonAdd another watchMore diver comparisonsBest Diver Watches Under $500