Seiko Cal. 4552 - 550

Released in 1969, the Cal. 4552 with design code 550 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-20af43cc3203]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1969

Related Models

• Seiko 7089-963
• Seiko 7069-180
• Seiko 6697-824
• Seiko 7158-940
• Seiko 0716-339
• Seiko 6271-879
• Seiko 6228-884
• Seiko 4589-672
• Seiko 6271-512
• Seiko 7199-380
• Seiko 4447-107
• Seiko 4414-239