AV86 1956 MarinevsUnimatic Modello Quattro UT4-B

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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.

1956 Marine

Modello Quattro UT4-B
Diameter
41mm
40mm
Thickness
n/a
12.1mm
Water Resistance
200m
300m
highest
MSRP
n/a
$570
Movement
Seiko VH31
Seiko VH31
Case
5 specsCrystal & Dial
2 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners find the 41mm case comfortable and appreciate the AV86 1956 Marine's in-person appearance. One owner notes uneven lume application, with the dial glowing but the bezel not. The AV86 1956 Marine is considered a fashion watch, with some owners suggesting better quality alternatives exist for the price, though personal preference for the look is acknowledged. On balance, owners rate the AV86 1956 Marine positively for its comfortable wearability and aesthetic appeal, despite some reservations about its value proposition.
The Unimatic Modello Quattro UT4-B draws a mixed reception across these two sources. The editorial reviewer sees its slimmer 12.05mm case, Seiko VH31 quartz movement with a 360° protection shell, and full set of numerals as a notable departure for Unimatic, though they feel the design blends in too closely with a conventional look reminiscent of the Patek Aquanaut at €400. An owner finds the strap stiff and harder to cinch to the right fit, though they expect it to break in and plan to swap in a spare strap. Overall, the owner's purchase experience was smooth, but the reviewer's concern that the Quattro's conventional styling dilutes Unimatic's distinctive identity is the main reservation.
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