Seiko Cal. 6647 - 758

The Seiko 6647-758 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-60b01379cc92]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1971

Related Models

• Seiko 6281-769
• Seiko 7043-999
• Seiko 4557-245
• Seiko 6298-946
• Seiko 4440-622
• Seiko 7041-525
• Seiko 4515-920
• Seiko 6160-839
• Seiko 6127-869
• Seiko 6633-850
• Seiko 6619-748
• Seiko 5699-980