Seiko Cal. 7139 - 528

The 7139-528 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7139 caliber with 34j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-a4a1d100516a]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1973

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