Seiko Cal. 4421 - 287

The Seiko 4421-287 represents an important milestone in Seiko's 1988 lineup. Powered by the 4421 caliber with 30j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-b0d3943ef668]

Also known as: Pogue, Navigator

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1988

Related Models

• Seiko 7169-282
• Seiko 5298-122
• Seiko 7142-284
• Seiko 5697-313
• Seiko 6397-908
• Seiko 6620-923
• Seiko 6119-304
• Seiko 7133-864
• Seiko 6386-163
• Seiko 5271-350
• Seiko 0710-986
• Seiko 0772-669