Seiko Cal. 4530 - 644

Released in 1975, the Cal. 4530 with design code 644 was part of Seiko's domestic market collection. It features a Cream dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-dc677ae8dfcc]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1975

Related Models

• Seiko 4551-554
• Seiko 7121-418
• Seiko 4483-966
• Seiko 6257-351
• Seiko 5658-187
• Seiko 0776-478
• Seiko 7135-237
• Seiko 4490-461
• Seiko 6219-395
• Seiko 6398-873
• Seiko 4496-809
• Seiko 5611-803