Seiko Cal. 5687 - 664

The 5687-664 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5687 caliber with 23j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-aac35d0a03e1]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1984

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