Seiko Cal. 5631 - 173

This Kinetic model from 1985 features a 36mm Stainless Steel case. With its 22mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-26dc4335b85e]

Also known as: Helmet, Bellmatic

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1985

Related Models

• Seiko 6132-124
• Seiko 6647-648
• Seiko 6624-243
• Seiko 6120-672
• Seiko 6140-356
• Seiko 6336-131
• Seiko 3899-654
• Seiko 5635-929
• Seiko 5692-827
• Seiko 4412-622
• Seiko 6391-229
• Seiko 6676-819