Seiko Cal. 6617 - 990

The Seiko 6617-990 represents an important milestone in Seiko's 1993 lineup. With its 19mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-1652b641f136]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1993

Related Models

• Seiko 6159-615
• Seiko 6690-252
• Seiko 6373-546
• Seiko 5229-652
• Seiko 7186-970
• Seiko 5623-747
• Seiko 3855-970
• Seiko 7169-474
• Seiko 3859-448
• Seiko 6348-486
• Seiko 5675-793
• Seiko 6252-251