The Titanium Field Guide

Citizen Promaster 1000m Professional Diver (Super Titanium)

BN7020-17E

The Citizen Promaster 1000m Professional Diver (Super Titanium) is a current-production diver watch with a Super Titanium (proprietary) case, finished with duratect surface hardening. It measures 53.0 mm across, and is water resistant to 1000 m. Inside is the Citizen J210 eco-drive light-powered, 1000 m saturation diver movement. Complications: Date. Priced from $2,775. Brand origin: Japan.

Titanium diver watchesUnder $3,000
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ReferenceBN7020-17E
TypeDiver
Price$2,775
Case diameter53.0 mm
Thickness–
Lug-to-lug–
Water resistance1000 m
Weight–
OriginJapan
MovementEco-Drive light-powered, 1000 m saturation diver
CaliberCitizen J210
Power reserve–
ComplicationsDate
TitaniumSuper Titanium (proprietary)
Surface treatmentDuratect surface hardening
Nickel-freeYes
Bracelet / strap–
Crystal–
Display backNo
DialBlack, orange accents
LumeYes
AvailabilityOffered
StatusCurrent
High confidence Verified 2026-06-21 Source: Citizen (maker) Maker / listing ↗
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