Seiko Cal. 6658 - 230

The 6658-230 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-5003dcb543fe]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1982

Related Models

• Seiko 7093-163
• Seiko 4536-454
• Seiko 5248-173
• Seiko 4597-273
• Seiko 6159-687
• Seiko 3812-744
• Seiko 5612-677
• Seiko 7197-356
• Seiko 6152-460
• Seiko 6328-510
• Seiko 4557-832
• Seiko 6637-113