Seiko Cal. 6647 - 198

The Seiko 6647-198 represents an important milestone in Seiko's 1969 lineup. It features a Champagne dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-5f889321485d]

Also known as: Helmet, UFO

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1969

Related Models

• Seiko 7039-956
• Seiko 7083-630
• Seiko 5617-210
• Seiko 3821-923
• Seiko 6656-784
• Seiko 4551-167
• Seiko 4522-220
• Seiko 4479-179
• Seiko 7039-629
• Seiko 0788-206
• Seiko 6379-820
• Seiko 7157-330