Seiko Cal. 6351 - 766

This Spring Drive model from 1977 features a 35mm Gold-Plated case. Powered by the 6351 caliber with 28j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-7a45862e16b0]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1977

Related Models

• Seiko 4499-171
• Seiko 6394-753
• Seiko 6285-962
• Seiko 6650-831
• Seiko 0758-113
• Seiko 5278-645
• Seiko 0716-415
• Seiko 5283-639
• Seiko 6277-187
• Seiko 7137-488
• Seiko 6116-128
• Seiko 6680-950