Seiko Cal. 4527 - 550

The Seiko 4527-550 represents an important milestone in Seiko's 1966 lineup. It features a White dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-ab9a745d9fb3]

Also known as: Bellmatic

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1966

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