Seiko Cal. 6658 - 767

This Automatic model from 1967 features a 40mm Titanium case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-a390dcd478ad]

Also known as: Sumo, Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1967

Related Models

• Seiko 3850-189
• Seiko 6392-542
• Seiko 0784-950
• Seiko 6216-958
• Seiko 0728-507
• Seiko 4454-401
• Seiko 7035-970
• Seiko 4474-750
• Seiko 6136-510
• Seiko 3882-990
• Seiko 6269-567
• Seiko 6151-155