Seiko Cal. 7139 - 486

The 7139-486 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7139 caliber with 34j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-55398e0a3872]

Also known as: Silverwave, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1991

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