Which is cheaper, the Maen Skymaster 38 MKIII or the Grand Seiko SBGM245?

At MSRP the Maen Skymaster 38 MKIII is the cheaper of the two at $1,679, against $6,100 for the Grand Seiko SBGM245 — a $4,421 gap before any retailer discounting.

Which is bigger, the Maen Skymaster 38 MKIII or the Grand Seiko SBGM245?

The Grand Seiko SBGM245 wears larger at 40.5mm versus 38mm for the Maen Skymaster 38 MKIII — a 2.5mm difference across the dial.

Which has better water resistance, the Maen Skymaster 38 MKIII or the Grand Seiko SBGM245?

The Grand Seiko SBGM245 is rated to 200m versus 100m for the Maen Skymaster 38 MKIII.

Which has a longer power reserve, the Maen Skymaster 38 MKIII or the Grand Seiko SBGM245?

The Grand Seiko SBGM245 carries a 72-hour power reserve against 40 hours on the Maen Skymaster 38 MKIII.

What movement does the Maen Skymaster 38 MKIII run compared to the Grand Seiko SBGM245?

Both watches run automatic movements — the Maen Skymaster 38 MKIII uses the Sellita SW510mb and the Grand Seiko SBGM245 uses the 9S66.

Side by side

Maen Skymaster 38 MKIIIvsGrand Seiko SBGM245

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

Maen Skymaster 38 MKIII

skymaster-38-m6-1-1

MSRP $1,679

Grand Seiko SBGM245

sbgm245g

MSRP $6,100

At a glance

13 of 29 specs differ

Diameter

Skymaster 38 MKIII38mm

SBGM24540.5mm

Power Reserve

Skymaster 38 MKIII40h

SBGM24572h

Water Resistance

Skymaster 38 MKIII100m

SBGM245200m

MSRP

Skymaster 38 MKIII$1,679

SBGM245$6,100

Full specifications

Case

7 specs

Crystal & Dial

3 specs

Crystal

Domed Sapphire

Sapphire

AR Coating

Inner

Yes

Dial Color

M6.1.1

Black

Movement

2 specs

Caliber

Sellita SW510mb

9S66

Power Reserve

40h

72h

Pricing

1 specs

MSRP

$1,679

$6,100

Follow this matchup

Get a note when Maen Skymaster 38 MKIII vs Grand Seiko SBGM245 gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

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

Maen Skymaster 38 MKIII

The Maen Skymaster 38 MKIII is praised for its refined case, impressive fit and finish, and compact 38mm size, which offers a premium feel with a sharp, legible dial and well-executed applied markers. Reviewers note the sweet winding action and the vintage-inspired brown sunburst dial with dauphine hands and lollipop register pointers. The watch is powered by a manual-wind Sellita SW510Mb movement with a 63-hour power reserve. Accuracy figures vary, with one reviewer reporting +7 seconds per day and another stating a tolerance of +/-15 seconds per day. On balance, owners and reviewers appreciate the Maen Skymaster 38 MKIII for its refined vintage-inspired design and compact dimensions at its price point.

From video reviewers

The 38mm case size is a key strength for the Maen Skymaster 38 MKIII. Reviewers noted the excellent quality-price ratio for a Swiss-made chronograph.

Owners widely appreciate the Grand Seiko SBGM245 for its blend of sport and luxury, with one enthusiast highlighting its superior workmanship over quartz movements. However, opinions on its size vary, as one owner found the SBGM245 too large, preferring the comfort of a different variant. Overall, owners value the Grand Seiko SBGM245 for its refined craftsmanship, though its wearability is a point of personal preference.

WatchUSeek

Keep exploring