Seiko Cal. 7051 - 491

This Spring Drive model from 1982 features a 39mm Gold-Plated case. Powered by the 7051 caliber with 17j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-bc30cf87806d]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1982

Related Models

• Seiko 5296-645
• Seiko 4462-171
• Seiko 4517-135
• Seiko 0752-267
• Seiko 4535-549
• Seiko 3840-814
• Seiko 4590-322
• Seiko 0720-465
• Seiko 6687-886
• Seiko 4581-163
• Seiko 7070-628
• Seiko 7115-426