Seiko Cal. 4451 - 637

The 4451-637 is a sought-after Solar piece from Seiko's golden era. It features a Cream dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-b62586203484]

Also known as: Helmet, Sea Horse

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1979

Related Models

• Seiko 7065-683
• Seiko 6252-489
• Seiko 6687-337
• Seiko 5225-699
• Seiko 5668-576
• Seiko 0767-397
• Seiko 7191-680
• Seiko 5218-537
• Seiko 3861-175
• Seiko 6660-234
• Seiko 6694-966
• Seiko 7191-802