Seiko Cal. 7139 - 407

The 7139-407 is a sought-after Solar piece from Seiko's golden era. Powered by the 7139 caliber with 21j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-79c4aecfdf4c]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1968

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