Seiko Cal. 6634 - 191

This Solar model from 1980 features a 46mm PVD Black case. It features a Navy dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-3906ce581a83]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1980

Related Models

• Seiko 6154-332
• Seiko 7188-581
• Seiko 5629-189
• Seiko 5623-753
• Seiko 0766-391
• Seiko 6241-427
• Seiko 6120-747
• Seiko 4595-653
• Seiko 7156-115
• Seiko 5678-922
• Seiko 6126-187
• Seiko 6690-513