Seiko Cal. 6143 - 263

The 6143-263 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6143 caliber with 35j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-8ba2b607f9c4]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1979

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