Seiko Cal. 5657 - 394

The 5657-394 is a sought-after Solar piece from Seiko's golden era. Powered by the 5657 caliber with 26j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-591f2283ed9b]

Also known as: Samurai

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1976

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