Seiko Cal. 4527 - 485

The Seiko 4527-485 represents an important milestone in Seiko's 1974 lineup. Powered by the 4527 caliber with 33j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-6cb2604ea04d]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1974

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