Seiko Cal. 6618 - 648

The Seiko 6618-648 represents an important milestone in Seiko's 1965 lineup. With its 18mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-c0bb2971e752]

Also known as: Shogun, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1965

Related Models

• Seiko 5657-551
• Seiko 6140-283
• Seiko 6136-783
• Seiko 4455-247
• Seiko 6221-977
• Seiko 5654-135
• Seiko 6287-234
• Seiko 6224-989
• Seiko 4413-312
• Seiko 6324-276
• Seiko 5680-652
• Seiko 5231-926