Seiko Cal. 4412 - 728

The Seiko 4412-728 represents an important milestone in Seiko's 1985 lineup. Powered by the 4412 caliber with 23j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-76ae9844ed3e]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1985

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