Seiko Cal. 4421 - 650

The Seiko 4421-650 represents an important milestone in Seiko's 1994 lineup. It features a White dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-b432a3e6d59b]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1994

Related Models

• Seiko 6179-591
• Seiko 0713-815
• Seiko 6211-361
• Seiko 6665-906
• Seiko 6357-666
• Seiko 3813-637
• Seiko 6663-579
• Seiko 4431-363
• Seiko 6381-238
• Seiko 6177-728
• Seiko 3824-939
• Seiko 6152-402