Side by side

Sugess Seestern Heritage S436-2 BB GMTvsSeiko 62MAS

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

Seestern Heritage S436-2 BB GMT
SugessSeestern Heritage S436-2 BB GMT
MSRP $299
62MAS
Seiko62MAS
MSRP $1,200

At a glance

14 of 29 specs differ
Diameter
Seestern Heritage S436-2 BB GMT40mm
62MAS40.5mm
Power Reserve
Seestern Heritage S436-2 BB GMT35h
62MAS70h
Water Resistance
Seestern Heritage S436-2 BB GMT10m
62MAS200m
MSRP
Seestern Heritage S436-2 BB GMT$299
62MAS$1,200

Full specifications

Case

5 specs
Category
GMT
Diver
Diameter
40mm
40.5mm
Thickness
12.2mm
13.2mm
Lug-to-Lug
48mm
47.6mm
Water Resistance
10m
200m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
Tritium
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
Seiko NH34
6R35
Beat Rate
3 vph
28,800 vph
Power Reserve
35h
70h
Jewels
25
24
Complications
GMT, Moonphase, Date
None

Pricing

1 specs
MSRP
$299
$1,200

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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.

Sugess Seestern Heritage S436-2 BB GMT

Owners widely praise the Sugess Seestern Heritage S436-2 BB GMT for its 39mm sizing, 12mm thinness, and light yet solid feel, with many appreciating its legibility due to the matte dial, clear crystal, and strong lume, though one owner flags the lume as a weak point. The case finishing is considered excellent, and the blue dial and satin finish are favorably compared to alternatives. Some owners report issues with a loose bezel, with others finding it improved after tuning, and one owner notes the seconds hand is too short. The bracelet clasp lacks sufficient micro-adjustment and screw pins are difficult to remove. On balance, owners rate the Sugess Seestern Heritage S436-2 BB GMT highly for its comfortable wearability and attractive finishing at the price.

Seiko 62MAS

The Seiko Prospex Sea 1965 Heritage Diver's Watch is praised for its vintage-inspired finishing, crisp bezel action, and build quality. Owners widely report the movement averages within +/- 10 seconds per day, though some note accuracy issues. The 40mm case size is considered by some to wear larger than expected, and the price point is a subject of debate, with some finding it too high and others fair. The watch features a 72-hour power reserve from the Caliber 6R55 movement, a 300-meter depth rating, and a box-shaped sapphire crystal. On balance, owners and reviewers appreciate the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined design and solid build quality, despite some reservations about its price and perceived size.

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