Seiko Cal. 4488 - 230

The Seiko 4488-230 represents an important milestone in Seiko's 1982 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-147cf27303bb]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1982

Related Models

• Seiko 4591-571
• Seiko 5298-333
• Seiko 3823-555
• Seiko 5664-357
• Seiko 4562-659
• Seiko 6385-374
• Seiko 6131-652
• Seiko 3855-847
• Seiko 7010-169
• Seiko 0767-615
• Seiko 4587-214
• Seiko 6689-147