Seiko Cal. 6139 - 598

The 6139-598 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6139 caliber with 23j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-845392fc3712]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1974

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