Seiko Cal. 4487 - 685

The Seiko 4487-685 represents an important milestone in Seiko's 1966 lineup. Powered by the 4487 caliber with 30j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-fe015c357001]

Also known as: Shogun, Pogue

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1966

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