Seiko Cal. 4524 - 640

The Seiko 4524-640 represents an important milestone in Seiko's 1995 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-7c3143fcce97]

Also known as: UFO, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1995

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