Seiko Cal. 4486 - 720

The Seiko 4486-720 represents an important milestone in Seiko's 1968 lineup. Powered by the 4486 caliber with 19j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-586d3d696a80]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1968

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