Seiko Cal. 4421 - 233

The Seiko 4421-233 represents an important milestone in Seiko's 1995 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-d98a00f47bd4]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1995

Related Models

• Seiko 5616-998
• Seiko 5627-835
• Seiko 4515-528
• Seiko 5262-246
• Seiko 6343-278
• Seiko 5688-551
• Seiko 6358-459
• Seiko 7138-534
• Seiko 4483-591
• Seiko 5652-357
• Seiko 7063-804
• Seiko 4498-590