Side by side

Fortis Marinemaster M-44 DLCvsGrand Seiko SBGN027

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

Marinemaster M-44 DLC
FortisMarinemaster M-44 DLC
MSRP $5,450
SBGN027
Grand SeikoSBGN027
MSRP $3,700

At a glance

13 of 29 specs differ
Diameter
Marinemaster M-44 DLC44mm
SBGN02739mm
Power Reserve
Marinemaster M-44 DLC38h
SBGN02740h
Water Resistance
Marinemaster M-44 DLC300m
SBGN027200m
MSRP
Marinemaster M-44 DLC$5,450
SBGN027$3,700

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
44mm
39mm
Thickness
14mm
12.3mm
Lug-to-Lug
45.9mm
Lug Width
22mm
19mm
Material
Stainless Steel (DLC)
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

4 specs
Caliber
Sellita SW220-1
9F86
Type
Automatic
Quartz
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$5,450
$3,700

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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.

Fortis Marinemaster M-44 DLC

The Fortis Marinemaster M-44 DLC is widely praised for its robust COSC-certified Kenissi Werk 11 movement, offering a 70-hour power reserve, and its stealthy, scratch-resistant Dianoir DLC coating. Owners find it comfortable to wear despite its 44mm size, with one owner considering it a standout piece. Some reviewers note a subtle difference in the color tone of the DLC coating on the crown and bezel lock between variants. Overall, owners and reviewers regard the Fortis Marinemaster M-44 DLC highly for its durable construction and reliable, high-spec movement.

Grand Seiko SBGN027

Owners widely praise the Grand Seiko SBGN027 for its exceptional Zaratsu polishing, compact 39mm size, and versatile monochrome aesthetic, noting its thin profile and suitability as a grab-and-go watch. The 9F quartz movement delivers highly accurate timekeeping, with one owner reporting +/- 10 seconds per year. However, some find the lume limited, the bracelet lacks micro-adjustments, and the GMT hand can be easily mistaken for the minute hand. One owner reported a black index on the bezel disappearing after a couple of months. On balance, owners rate the Grand Seiko SBGN027 highly for its premium finishing and accurate HAQ GMT movement in a wearable size.

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