Seiko Cal. 4441 - 866

The 4441-866 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-fe9b3defe344]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1971

Related Models

• Seiko 4429-795
• Seiko 6626-599
• Seiko 7042-539
• Seiko 3867-754
• Seiko 4527-285
• Seiko 6261-107
• Seiko 0713-204
• Seiko 0719-193
• Seiko 5290-300
• Seiko 7175-900
• Seiko 5615-267
• Seiko 6630-972