Seiko Cal. 4487 - 351

The Seiko 4487-351 represents an important milestone in Seiko's 1968 lineup. Powered by the 4487 caliber with 29j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-963d6d49fd59]

Also known as: Pogue, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1968

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