Seiko Cal. 4415 - 725

The Seiko 4415-725 represents an important milestone in Seiko's 1969 lineup. Powered by the 4415 caliber with 36j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-145ff3e9ecb1]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1969

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