Seiko Cal. 6658 - 233

The Seiko 6658-233 represents an important milestone in Seiko's 1982 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-5fbfe70f483d]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1982

Related Models

• Seiko 3854-388
• Seiko 4479-870
• Seiko 6220-604
• Seiko 4446-410
• Seiko 7042-928
• Seiko 7029-905
• Seiko 5694-350
• Seiko 6113-240
• Seiko 3820-333
• Seiko 7082-139
• Seiko 6280-182
• Seiko 6169-718