Seiko Cal. 6617 - 312

The Seiko 6617-312 represents an important milestone in Seiko's 1977 lineup. With its 19mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-7c7585c3ef3e]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1977

Related Models

• Seiko 7088-724
• Seiko 4535-741
• Seiko 7012-238
• Seiko 4528-411
• Seiko 7171-954
• Seiko 5268-710
• Seiko 5622-356
• Seiko 5286-971
• Seiko 0762-841
• Seiko 0783-172
• Seiko 0722-944
• Seiko 6149-216