Seiko Cal. 4440 - 605

The Seiko 4440-605 represents an important milestone in Seiko's 1965 lineup. Powered by the 4440 caliber with 23j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-1066414675d0]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1965

Related Models

• Seiko 0773-558
• Seiko 3857-490
• Seiko 5238-568
• Seiko 6173-943
• Seiko 4543-446
• Seiko 5670-652
• Seiko 7038-142
• Seiko 4537-194
• Seiko 5667-449
• Seiko 6389-269
• Seiko 4477-967
• Seiko 6179-143