Seiko Cal. 6658 - 797

The Seiko 6658-797 represents an important milestone in Seiko's 1978 lineup. Powered by the 6658 caliber with 28j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-3847cef9b329]

Also known as: Turtle, UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1978

Related Models

• Seiko 6163-576
• Seiko 5658-494
• Seiko 7067-592
• Seiko 4536-437
• Seiko 6346-994
• Seiko 7038-309
• Seiko 3854-331
• Seiko 5249-225
• Seiko 0788-523
• Seiko 4558-492
• Seiko 7075-321
• Seiko 5271-325