Seiko Cal. 4574 - 636

Released in 1971, the Cal. 4574 with design code 636 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-b81de188ce1d]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1971

Related Models

• Seiko 7178-476
• Seiko 5299-717
• Seiko 3875-781
• Seiko 7117-118
• Seiko 6277-611
• Seiko 4433-742
• Seiko 7065-599
• Seiko 6313-371
• Seiko 6173-732
• Seiko 5297-996
• Seiko 7057-282
• Seiko 5618-466