Seiko Cal. 5657 - 734

The 5657-734 is a sought-after Solar piece from Seiko's golden era. Powered by the 5657 caliber with 25j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-0277eddc9dea]

Also known as: Crown, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1991

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