Seiko Cal. 7139 - 243

The Seiko 7139-243 represents an important milestone in Seiko's 1973 lineup. Powered by the 7139 caliber with 35j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-ac0053b14315]

Also known as: Panda, Crown

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1973

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