Side by side

Northern Star Watch SentinelvsSeiko Diamond Collection

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

Add a watch
Sentinel
Northern Star WatchSentinel
MSRP $649
See the full Sentinel
Diamond Collection
SeikoDiamond Collection
MSRP $525
See the full Diamond Collection
Buy from Northern Star Watch ↗
Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

At a glance

10 of 29 specs differ
Diameter
Sentinel40.5mm
Diamond Collection30mm
Power Reserve
Sentinel42h
Diamond Collection—
Water Resistance
Sentinel50m
Diamond Collection50m
MSRP
Sentinel$649
Diamond Collection$525

Full specifications

Case

5 specs
Category
—
Dress
Diameter
40.5mm
30mm
Thickness
10.1mm
6.3mm
Lug-to-Lug
43.72mm
36.5mm
Lug Width
20mm
5mm

Crystal & Dial

1 specs
Dial Color
White
—

Movement

3 specs
Caliber
Miyota 90S5
Seiko 7N01
Type
Automatic
Quartz
Power Reserve
42h
0h

Pricing

1 specs
MSRP
$649
$525
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.

Kobold Lynx Tahiti
Koboldmicro

Lynx Tahiti

36mm·Automatic·100m WR
$12,450MSRP
—Used
CIGA Design SPARKLE COLLECTION
CIGA Designmicro

SPARKLE COLLECTION

2 variantsSPARKLE COLLECTION
Quartz
$299MSRP
—Used
Fears Brunswick (Anthracite)
Fearsmicro

Brunswick (Anthracite)

9 watches · 47 variantsBrunswick
38mm·Manual
$26,670MSRP
—Used
Furlan Marri Disco Onyx Diamonds
Furlan Marrimicro
Disco Volante

Disco Onyx Diamonds

2 watches · 4 variantsDisco Volante
38mm·Manual
$3,955MSRP
—Used
Jorg Gray Watches JG2300
Jorg Gray Watchesmicro

JG2300

Ref. jg2300-12
36mm·Quartz
—MSRP
—Used
Seagull Ladies Series Concentric Circles Diamond-set Dial Dress Watch 32mm
Seagullmicro
Dress Watch

Ladies Series Concentric Circles Diamond-set Dial Dress Watch 32mm

3 variantsRef. 1065l
32mm·Automatic
$499MSRP
—Used
Tissot Lovely Square
Tissot

Lovely Square

3 variantsLovely Square
20mm·Quartz
$425MSRP
—Used
Swatch Rosetta Bianca
Swatch

Rosetta Bianca

Ref. YAS109
37.4mm·Automatic
$205MSRP
—Used
All alternatives to the Sentinel →All alternatives to the Diamond Collection →
Explore the full catalog

Follow this matchup

Get a note when Northern Star Watch Sentinel vs Seiko Diamond Collection gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

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

Grandeur Watches Automatic Series G17116vsSeiko Diamond CollectionOblvlo FM SL Day-Date SquarevsSeiko Diamond CollectionAlcadus Watches Quantra GemstonevsSeiko Diamond CollectionFurlan Marri Disco Onyx DiamondsvsSeiko Diamond CollectionGrandeur Watches Fairy Tale Series G15019vsNorthern Star Watch SentinelMaughan Jones NiravsNorthern Star Watch Sentinel
Edit this comparisonAdd another watch