Seiko Cal. 4426 - 891

Released in 1969, the Cal. 4426 with design code 891 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-bad53ea6d5ab]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1969

Related Models

• Seiko 4468-142
• Seiko 6317-606
• Seiko 7171-527
• Seiko 6214-833
• Seiko 4577-690
• Seiko 4420-930
• Seiko 4550-661
• Seiko 6688-349
• Seiko 4441-277
• Seiko 4577-174
• Seiko 6694-784
• Seiko 4586-666