Seiko expands its heritage-inspired Speedtimer series with two impressive mechanical chronographs. The Seiko Prospex Speedtimer HBD001J and HBD002J embody classic design and advanced watchmaking technology.
Both models draw direct design inspiration from the historic 1972 Seiko chronograph powered by Caliber 6138. This collection focuses on capturing the exhilarating feeling of touring along open roads.
Modern manufacturing techniques re-create the iconic streamlined case and elegant contours with exceptional precision.
Designers incorporated sky blue accent colors to evoke flowing, dynamic landscapes. Differing base finishes on the sub-dials enhance legibility during high-speed driving.
Specification
Both watches utilize identical robust stainless steel cases protected by Seiko’s protective DiaShield super-hard coating. The case measures 42mm in diameter across the wrist.
It exhibits a profile thickness of 14.6mm for a commanding presence. The distance from lug to lug measures exactly 49.5mm long.
Dual-curved sapphire glass covers the dial to shield against scratches and impacts. Inner anti-reflective coating reduces glare for clear reading under harsh light.
These sports chronographs offer a solid water resistance rating of 10 bar or 100 meters. Luminova coatings on the hands and indices maintain legibility in dark driving conditions.
An outer tachymeter scale allows drivers to calculate average speeds easily over set distances. Screw-down case backs secure the internal mechanisms against moisture and debris infiltration.
Movement
At the heart of both models beats the high-performance Seiko automatic movement Caliber 8R48. This mechanical chronograph engine contains 34 jewels and beats reliably under harsh conditions.
The movement provides an operational accuracy of +25 seconds to -15 seconds per day. Wearers enjoy a continuous power reserve lasting approximately 45 hours on a full wind.
Manual winding capability and a second-hand stop function offer precise time setting. The movement drives elapsed-time chronograph counters measuring up to 12 hours alongside a date display.
Seiko Prospex Speedtimer HBD001J
The Seiko Prospex HBD001J presents a refreshing sky blue main dial with striking contrast subdials. Black elapsed-time subdials sit at 6 and 9 o’clock for elapsed hours and minutes.
A matching dark running-seconds subdial sits prominently at 3 o’clock on the dial surface. The main dial exhibits a subtle vertical textured pattern resembling rushing wind across open roads.
Seiko pairs the HBD001J model with a solid multi-row stainless steel bracelet. The bracelet features a one-push tri-fold system for easy adjustment.
This stainless steel configuration gives the watch a total weight of 183 grams. This watch is priced at JPY 363,000 or approximately $ 2,313.
Seiko Prospex Speedtimer HBD002J
The sister reference HBD002J offers a warmer, more subtle color palette for vintage enthusiasts. This version features a silver dial with soft sky blue accent subdials.
The textured dial surface reflects light beautifully to emphasize its classic racing heritage roots. Sky blue accents highlight the chronograph counters to ensure quick elapsed time reading.
Instead of steel, Seiko equips the HBD002J with a premium cowhide leather strap. A matching one-push tri-fold system secures the grayish strap comfortably on the wrist.
The leather strap significantly reduces the overall weight of the watch to 123 grams. This watch is priced at JPY 352,000 or approximately $ 2,243.
Both timepieces offer distinct aesthetic expressions of Seiko’s rich auto-racing timing legacy. You can choose between cool stainless steel boldness or refined leather elegance.
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