Seiko Cal. 7139 - 470

Released in 1974, the Cal. 7139 with design code 470 was part of Seiko's domestic market collection. Powered by the 7139 caliber with 31j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-d5555228cc27]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1974

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