Seiko Cal. 4425 - 684

The Seiko 4425-684 represents an important milestone in Seiko's 1966 lineup. Powered by the 4425 caliber with 19j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-b5e8dec22a49]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1966

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