Seiko Cal. 5646 - 557

The 5646-557 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5646 caliber with 19j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-5d31296b3723]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1970

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