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 Collection32mm
Power Reserve
Sentinel42h
Diamond Collection40h
Water Resistance
Sentinel50m
Diamond Collection100m
MSRP
Sentinel$649
Diamond Collection$525

Full specifications

Case

6 specs
Category
—
Dress
Diameter
40.5mm
32mm
Thickness
10.1mm
8.2mm
Lug-to-Lug
43.72mm
39mm
Lug Width
20mm
15mm
Water Resistance
50m
100m

Crystal & Dial

1 specs
Dial Color
White
Black

Movement

2 specs
Caliber
Miyota 90S5
6N32
Power Reserve
42h
40h

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

Ref. lynx-ladies-version
36mm·Automatic·100m WR
$12,450MSRP
—Used
Bremont Lady K
Bremontmicro

Lady K

8 variantsLady K
34mm·Automatic
$6,700MSRP
—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
Oblvlo FM SL Day-Date Square
Oblvlomicro
FM Series

FM SL Day-Date Square

2 watches · 2 variantsFM Series
39mm·Automatic
$158MSRP
—Used
Tissot Lovely Square
Tissot

Lovely Square

3 variantsLovely Square
20mm·Quartz
$425MSRP
—Used
Hamilton American Classic Vintage Quartz
Hamilton

American Classic Vintage Quartz

2 variantsAmerican Classic Vintage Quartz
15mm·Quartz
$775MSRP
—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 Galaxy Ceramic Series G18103vsNorthern Star Watch SentinelGrandeur Watches Classic Series G16116vsNorthern Star Watch Sentinel
Edit this comparisonAdd another watch