Side by side
Sinn 456 TW70 GGvsGrand Seiko SBGR321
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
456 TW70 GG28mm
SBGR32140mm
Power Reserve
456 TW70 GG38h
SBGR32172h
Water Resistance
456 TW70 GG200m
SBGR321100m
MSRP
456 TW70 GG$6,372
SBGR321$5,200
Full specifications
Case
8 specsCategory
Tool
Dress
Diameter
28mm
40mm
Thickness
9mm
13mm
Lug-to-Lug
—
46.6mm
Lug Width
14mm
20mm
Finish
polished
Brushed and polished
Water Resistance
200m
100m
Caseback
—
Solid
Crystal & Dial
4 specsCrystal Shape
—
Flat
AR Coating
Underside
Yes
Indices
—
Applied
Lume
Luminescent
None
Movement
3 specsCaliber
SW 100
9S65
Power Reserve
38h
72h
Complications
Date
None
Pricing
1 specsMSRP
$6,372
$5,200
Follow this matchup
Get a note when Sinn 456 TW70 GG vs Grand Seiko SBGR321 gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Marathon OSAR-D (Original SAR with Date) Automatic 36mmvsGrand Seiko SBGR321Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsGrand Seiko SBGR321Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsGrand Seiko SBGR321Fortis Marinemaster M-40vsGrand Seiko SBGR321Sinn 456 TW70 GGvsGrand Seiko SBGR261Sinn 456 TW70 GGvsGrand Seiko SBGH281