Seiko Cal. 6651 - 238

This Spring Drive model from 1983 features a 37mm Hardlex-Coated Steel case. Powered by the 6651 caliber with 31j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-2e10696b0208]

Also known as: Silverwave, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1983

Related Models

• Seiko 0780-195
• Seiko 5299-291
• Seiko 6165-462
• Seiko 4530-134
• Seiko 5695-598
• Seiko 4552-499
• Seiko 6278-552
• Seiko 5613-415
• Seiko 6182-790
• Seiko 0728-950
• Seiko 3890-332
• Seiko 5259-360