Seiko Cal. 5687 - 664

The 5687-664 is a sought-after Solar piece from Seiko's golden era. Powered by the 5687 caliber with 21j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-22e5430e3588]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1996

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