Retter Watches MistralvsGrand Seiko SLGW007
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Mistral

SLGW007
Diameter
38mm
38.6mm
Lug-to-Lug
42.4mm
lowest
45mm
Thickness
6.8mm
lowest
9.9mm
Water Resistance
n/a
30m
Power Reserve
45h
80h
highest
MSRP
n/a
$10,000
Movement
ETA/Peseux 7001
Grand Seiko 9SA4
Case
4 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Retter Watches Mistral is lauded for its elegant, ultra-thin 6.8mm case and refined, retro 38mm profile with soldered lugs, featuring a unique multi-level dial with textural depth and a well-decorated manual-wind ETA 7001 movement. Some reviewers note that the minute hand could be longer to reach the minute track and that legibility may be an issue due to hand similarity. On balance, reviewers praise the Retter Watches Mistral for its sophisticated design and value at its preorder price, highlighting the attractive manual-wind movement.
The Grand Seiko SLGW007 is lauded for its refined 38.6mm Evolution 9 case, measuring 9.95mm in thickness, and its captivating blue "Moonlit Birch" dial with a moody, elegant texture. Owners and reviewers alike highlight the technically credible 9SA4 manual-wind movement, noting its 80-hour power reserve and buttery winding feel. Its 30m water resistance and lack of lume are acknowledged as fitting for a dress watch. On balance, the Grand Seiko SLGW007 is highly regarded for its sophisticated dial and refined case design, making it a compelling dress watch offering.
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