Side by side

Grand Seiko SBGM221vsLongines LEGEND DIVER 42

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

SBGM221
Grand SeikoSBGM221
MSRP $5,400
LEGEND DIVER 42
LonginesLEGEND DIVER 42
MSRP $2,850

At a glance

12 of 29 specs differ
Diameter
SBGM22139.5mm
LEGEND DIVER 4242mm
Power Reserve
SBGM22172h
LEGEND DIVER 4272h
Water Resistance
SBGM22130m
LEGEND DIVER 42300m
MSRP
SBGM221$5,400
LEGEND DIVER 42$2,850

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
39.5mm
42mm
Thickness
13.7mm
12.7mm
Lug-to-Lug
46.9mm
52.6mm
Lug Width
19mm
22mm
Water Resistance
30m
300m

Crystal & Dial

3 specs
AR Coating
Yes
Both sides
Dial Color
Black
Blue
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
9S66
L888.5
Beat Rate
28,800 vph
25,200 vph

Pricing

1 specs
MSRP
$5,400
$2,850

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Grand Seiko SBGM221

Grand Seiko SBGM221 is widely praised for its exceptional dial finish, highly polished hands and indices, and elegant design. Owners consistently highlight the stunning craftsmanship, with specific mention of the up to 11 hand-polished facets on its rectangular markers. The reliable 9S66 movement is noted for its 72-hour power reserve and true GMT functionality, tested beyond Chronometer specifications. Some enthusiasts desire a bidirectional 24-hour bezel, which the Grand Seiko SBGM221 lacks, and its 13.7mm thickness and 19mm lug width are noted as potential limitations. On balance, owners rate the Grand Seiko SBGM221 highly for its exquisite finishing and elegant, comfortable design.

From video reviewers

The SBGM221 is praised for its value within the Grand Seiko lineup. The lug width is cited as a weakness.

Longines LEGEND DIVER 42

Owners widely praise the Longines Legend Diver 42 for its appealing retro skin-diver aesthetic, excellent legibility, and functional inner bezel, with reviewers noting its strong value proposition below $2,500 and capability in shallow dives. Some owners find the blue dial pops in the sun and appreciate the quickset date. However, several owners report disappointment after seeing the watch in person, finding it underwhelming and lacking dial depth. Specific criticisms include original leather straps peeling easily, a clasp that scratches readily, dust getting on the dial, and lume that is not particularly strong or matching vintage charm. The 50mm lug-to-lug length is noted as potentially overwhelming for smaller wrists, and one owner experienced the minute hand scratching the hour hand. Accuracy figures are not consistently reported across sources.

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