Seiko Cal. 7147 - 656

The 7147-656 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7147 caliber with 33j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-a6653001047c]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1988

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