Seiko Cal. 4527 - 720

The Seiko 4527-720 represents an important milestone in Seiko's 1966 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-6818a74c4cc2]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1966

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