MMI Watches Heritage 38 Chronograph Classic Black Model: HTC-01 (Estimated Delivery August 2026)vsSeiko Prospex Speedtimer Mechanical
lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.
Heritage 38 Chronograph Classic Black Model: HTC-01 (Estimated Delivery August 2026)
Prospex Speedtimer Mechanical
Diameter
38.5mm
39.5mm
Lug-to-Lug
45.5mm
44.5mm
lowest
Thickness
11.3mm
lowest
12mm
Water Resistance
100m
200m
highest
Power Reserve
n/a
72h
MSRP
$410
lowest
$995
Movement
Seiko VK63
Seiko 6R55
Case
4 specsDiameter
38.5mm
39.5mm
Thickness
11.3mm
12mm
Lug-to-Lug
45.5mm
44.5mm
Water Resistance
100m
200m
Crystal & Dial
4 specsCrystal Shape
n/a
Curved
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
n/a
n/a
Lume
None
LumiBrite on hands and index(es)
Movement
4 specsCaliber
Seiko VK63
Seiko 6R55
Type
Hybrid
Automatic
Power Reserve
0h
72h
Jewels
0
24
Pricing
1 specsMSRP
$410
$995
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.
DiscussionNot started