Seiko Cal. 6622 - 716

The Seiko 6622-716 represents an important milestone in Seiko's 1978 lineup. Powered by the 6622 caliber with 27j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-d112fdff9ad1]

Also known as: Tuna, Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1978

Related Models

• Seiko 6619-222
• Seiko 7119-616
• Seiko 6284-930
• Seiko 3865-691
• Seiko 7081-684
• Seiko 6382-442
• Seiko 5213-525
• Seiko 6141-426
• Seiko 6324-594
• Seiko 6247-132
• Seiko 0726-905
• Seiko 6385-787