Side by side

Casio GST-B100vsOLTO-8 ساعة OLTO-8 REEF الأوتوماتيكية بهيكل مفتوح - أحمر

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

Add a watch
GST-B100
CasioGST-B100
MSRP $385
See the full GST-B100
ساعة OLTO-8 REEF الأوتوماتيكية بهيكل مفتوح - أحمر
OLTO-8ساعة OLTO-8 REEF الأوتوماتيكية بهيكل مفتوح - أحمر
MSRP $400
See the full ساعة OLTO-8 REEF الأوتوماتيكية بهيكل مفتوح - أحمر
Buy from Casio ↗
Buy used on eBay ↗
Buy from OLTO-8 ↗
Buy used on eBay ↗

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

At a glance

15 of 29 specs differ
Diameter
GST-B10053.8mm
ساعة OLTO-8 REEF الأوتوماتيكية بهيكل مفتوح - أحمر49mm
Power Reserve
GST-B100—
ساعة OLTO-8 REEF الأوتوماتيكية بهيكل مفتوح - أحمر—
Water Resistance
GST-B100200m
ساعة OLTO-8 REEF الأوتوماتيكية بهيكل مفتوح - أحمر30m
MSRP
GST-B100$385
ساعة OLTO-8 REEF الأوتوماتيكية بهيكل مفتوح - أحمر$400

Full specifications

Case

8 specs
Category
Sport
—
Diameter
53.8mm
49mm
Thickness
14.1mm
0mm
Lug-to-Lug
58.1mm
0mm
Lug Width
—
24mm
Material
Resin / Stainless steel
316L Stainless Steel
Finish
—
—
Water Resistance
200m
30m

Crystal & Dial

3 specs
Crystal
Mineral
Sapphire
AR Coating
No
—
Dial Color
Black
—

Movement

3 specs
Caliber
—
Miyota 82S5
Type
Quartz
Automatic
Power Reserve
—
0h

Pricing

1 specs
MSRP
$385
$400
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.

AVI-8 Dambuster Gibson Dual Time Chronograph Airfix Edition
AVI-8micro

Dambuster Gibson Dual Time Chronograph Airfix Edition

3 watches · 6 variantsDambuster
Quartz
$295MSRP
—Used
Serket Watch Co Reef
Serket Watch Comicro

Reef

2 variantsSeries
46mm·Automatic·300m WR
$899MSRP
—Used
AVI-8 Hawker Harrier Matador Chronograph
AVI-8micro

Hawker Harrier Matador Chronograph

9 watches · 46 variantsHawker
Quartz
$290MSRP
—Used
Bausele Royal Australian Engineers 125th Anniversary watch
Bauselemicro

Royal Australian Engineers 125th Anniversary watch

Ref. rae-125
38mm·Automatic·100m WR
$650MSRP
—Used
Jorg Gray Watches JG2500
Jorg Gray Watchesmicro

JG2500

Ref. jg2500-22
52mm·Quartz·100m WR
—MSRP
—Used
Draken Aoraki – 'Flieger'
Drakenmicro

Aoraki – 'Flieger'

4 variantsSeries
39mm·Automatic·100m WR
—MSRP
—Used
KIWAME TOKYO ASAKUSA KUBO
KIWAME TOKYO ASAKUSAmicro

KUBO

3 variantsSeries
37mm·Automatic
$630MSRP
—Used
BERNY BERNY-Men Quartz Moonphase Watch-2190M
BERNYmicro

BERNY-Men Quartz Moonphase Watch-2190M

4 variantsSeries
50mm·Quartz·198m WR
$60MSRP
—Used
All alternatives to the GST-B100 →All alternatives to the ساعة OLTO-8 REEF الأوتوماتيكية بهيكل مفتوح - أحمر →
Explore the full catalog
DiscussionNot started
Adjacent matchups

People also compared

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

Jorg Gray Watches JG2500vsOLTO-8 ساعة OLTO-8 REEF الأوتوماتيكية بهيكل مفتوح - أحمرOLTO-8 ساعة OLTO-8 REEF الأوتوماتيكية بهيكل مفتوح - أحمرvsStraton Daily DriverBERNY BERNY-Men Quartz Chronograph Field Watch-2845MvsOLTO-8 ساعة OLTO-8 REEF الأوتوماتيكية بهيكل مفتوح - أحمرOLTO-8 ساعة OLTO-8 REEF الأوتوماتيكية بهيكل مفتوح - أحمرvsStraton Classic DriverCasio GST-B100vsOLTO-8 ساعة أولتو-8 شوت الأوتوماتيكية بهيكل عظمي أبيضATOWAK COBRA VENOMvsCasio GST-B100
Edit this comparisonAdd another watchExplore more 48–55mm watches