Seiko Cal. 6163 - 923

The Seiko 6163-923 represents an important milestone in Seiko's 1965 lineup. With its 22mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-946dd9805dc7]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1965

Related Models

• Seiko 4442-602
• Seiko 4475-122
• Seiko 5299-460
• Seiko 4544-330
• Seiko 3860-538
• Seiko 3899-958
• Seiko 0751-369
• Seiko 0732-275
• Seiko 4466-458
• Seiko 6112-126
• Seiko 6630-238
• Seiko 6345-112