Seiko Prospex Sea 1968 Heritage Diver's GMTvsSwiss Watch Company Tremor

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Seiko Prospex Sea 1968 Heritage Diver's GMT

MSRP $1,500

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Buy from Seiko Used on eBay

Swiss Watch Company Tremor

Ref. tremor-black·MSRP $695

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Buy from Swiss Watch Company Used on eBay

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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.

Prospex Sea 1968 Heritage Diver's GMT

Tremor

Diameter

Across the case, crown excluded.

42mm

Lug-to-Lug

The number that decides fit.

48.6mm

47.8mm

lowest

Thickness

How it sits under a cuff.

12.9mm

lowest

13.3mm

Water Resistance

Rated in meters.

200m

300m

highest

Power Reserve

How long it runs off the wrist.

72h

n/a

MSRP

Sticker price, new.

$1,500

$695

lowest

Movement

What drives the hands.

Seiko 6R54

Sellita SW200-1

Spec

Prospex Sea 1968 Heritage Diver's GMT

Tremor

Case

5 specs

Thickness

12.9mm

13.3mm

Lug-to-Lug

48.6mm

47.8mm

Lug Width

20mm

22mm

Material

Stainless Steel

steel

Water Resistance

200m

300m

Crystal & Dial

2 specs

AR Coating

Anti-reflective coating on inner surface

n/a

Lume

LumiBrite on hands, index(es) and bezel

None

Movement

3 specs

Caliber

Seiko 6R54

Sellita SW200-1

Power Reserve

72h

Jewels

Pricing

1 specs

MSRP

$1,500

$695

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Seiko Prospex Sea 1968 Heritage Diver's GMTvsSwiss Watch Company Tremor

Measurements

Case

Crystal & Dial

Movement

Pricing

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