Seiko Cal. 4524 - 550

The Seiko 4524-550 represents an important milestone in Seiko's 1983 lineup. Powered by the 4524 caliber with 23j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-3daaf79a98b7]

Also known as: Monster, World Timer

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1983

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