Seiko Cal. 6658 - 344

The Seiko 6658-344 represents an important milestone in Seiko's 1989 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-4f433691f6b9]

Also known as: Sumo, Shogun

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1989

Related Models

• Seiko 5285-347
• Seiko 6381-468
• Seiko 0756-631
• Seiko 5229-121
• Seiko 6688-703
• Seiko 4557-799
• Seiko 7189-126
• Seiko 6263-506
• Seiko 3823-998
• Seiko 7114-382
• Seiko 4552-923
• Seiko 3889-789