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Seiko Prospex Sea

Seiko Prospex Sea

Solar

Ref. SNJ028

Collection: ProspexCase size: 47.8mmMovement: H851

The Seiko Prospex Sea, reference SNJ028, is a chronograph with a 47.8 mm case. The watch has an alarm. The case is 13.8 mm thick, with a lug-to-lug measurement of 50.5 mm and a water-resistance rating of 200 metres. Solar-powered calibre H851 operates for approximately 6 months when fully charged. The dial is covered by a Hardlex crystal; LumiBrite is applied to the hands and indices. Movement accuracy is plus or minus 15 seconds per month; a screw-down crown is part of the case. This watch has a unidirectional rotating bezel; the lug width measures 22 mm. A silicone strap is attached to the watch.

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Last updated 9 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Men

CASE

Diameter

47.8mm

Thickness

13.8mm

Lug to Lug

50.5mm

Lug Width

22mm

Water Resistance

200m

Crystal

Mineral Glass

MOVEMENT

Movement Type

Solar

Caliber

H851

BRACELET/STRAP

Bracelet/Strap

Silicon

FEATURES & COMPLICATIONS

AlarmChronographLuminous handsLuminous indicesRotating BezelScrew-Down CrownSolar watch

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FOR WATCH DEALERS

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