Seiko Cal. 7139 - 526

The 7139-526 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7139 caliber with 35j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-e9d892b438a6]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1965

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