Seiko 5 GMT Field Series SSK023 | SBSC011 (Japan Domestic)

Product Description

The Seiko 5 Sports SSK023 (or Japan Domestic Market known as SBSC011) features a black dial with a military-inspired design. Its 39.4mm stainless steel case has a refined brushed finish, giving it a durable yet sleek look. The dial is marked with bold Arabic numerals for the hour markers, and the GMT scale is positioned along the inner ring (resemble as Rolex Explorer II).

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Specifications:

• Movement Type: Automatic
• Calibre Number: 4R34
• Collections / Series: Field Sport Style
• Accuracy: +45 seconds to -35 seconds
• Style: Traveller, Sports, Outdoor
• Case Material: Stainless Steel
• Case Colour: Silver
• Band Material: Stainless Steel 
• Strap Colour: Silver
• Dial Type: Analog
• Dial Colour: Black
• Glass Type: curve hardlex
• Water Resistance: 100 metres
• Size: 13.6mm x 39.4mm x 47.9mm
• Weight: 147.0g
• Made In Japan
• Wrist: 205.0mm
• Ref. SSK023 / SSK023K / SSK023K1 / SBSC011 (Japan Domestic Market edition - "Made In Japan" printed on the face dial and back of the watch.
• Other features: GMT 24-hour hand, Second hand stop function, Screw case back, Three-fold clasp with push-button release, LumiBrite treatment on hands and markers, Antimagnetic, Dual time, Calendar

The use of orange accents for the GMT hand and 24-hour markers adds contrast, improving legibility while giving the watch a distinct style. The hands and indices are coated with Seiko’s Lumibrite, ensuring excellent readability in low-light conditions.

This SBSC011 model is powered by Seiko's Caliber 4R34 automatic movement, which incorporates a 24-hour GMT hand that allows the wearer to track two time zones simultaneously. The independently adjustable GMT hand is a practical feature for frequent travelers who need to keep track of local and home time. The 24-hour fixed bezel further enhances its usability by providing a clear reference for the second time zone.