Seiko Cal. 6687 - 324

Released in 1979, the Cal. 6687 with design code 324 was part of Seiko's domestic market collection. Powered by the 6687 caliber with 25j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-a71c5d4f9309]

Also known as: Sea Horse, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1979

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