Seiko Cal. 4419 - 656

The Seiko 4419-656 represents an important milestone in Seiko's 1965 lineup. It features a Navy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-626a9188b3d8]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1965

Related Models

• Seiko 6237-490
• Seiko 6681-771
• Seiko 3883-561
• Seiko 5686-868
• Seiko 0763-387
• Seiko 6187-559
• Seiko 4493-509
• Seiko 7047-277
• Seiko 4530-703
• Seiko 4480-914
• Seiko 7099-231
• Seiko 6124-926