Seiko Cal. 7139 - 617

The 7139-617 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7139 caliber with 17j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-607ed9b6690c]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1973

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