Seiko Cal. 7191 - 634

The 7191-634 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7191 caliber with 17j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-3ea64f3d9135]

Also known as: Tuna, Crown

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1991

Related Models

• Seiko 3815-654
• Seiko 4481-120
• Seiko 4550-642
• Seiko 5290-593
• Seiko 6326-652
• Seiko 7147-814
• Seiko 7050-329
• Seiko 6128-445
• Seiko 7046-956
• Seiko 7152-261
• Seiko 4594-186
• Seiko 4427-358