Seiko Cal. 4451 - 866

The 4451-866 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-a4399499c6d3]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1977

Related Models

• Seiko 5254-356
• Seiko 3868-290
• Seiko 0780-637
• Seiko 3882-568
• Seiko 0722-232
• Seiko 4534-817
• Seiko 6650-253
• Seiko 3841-167
• Seiko 6188-302
• Seiko 4415-693
• Seiko 5695-324
• Seiko 3834-347