Seiko Cal. 4531 - 766

Released in 1970, the Cal. 4531 with design code 766 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-25f14a2cf0dd]

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1970

Related Models

• Seiko 5621-615
• Seiko 4447-258
• Seiko 7173-936
• Seiko 6237-842
• Seiko 5274-150
• Seiko 6152-996
• Seiko 7049-196
• Seiko 4436-263
• Seiko 3894-465
• Seiko 4442-428
• Seiko 3831-311
• Seiko 5664-194