Seiko Cal. 6163 - 437

This Spring Drive model from 1973 features a 46mm Stainless Steel case. With its 20mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-cd5a1f0c9b18]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1973

Related Models

• Seiko 6368-435
• Seiko 7084-840
• Seiko 7054-843
• Seiko 0725-890
• Seiko 6356-609
• Seiko 6629-633
• Seiko 5267-238
• Seiko 6184-481
• Seiko 7114-984
• Seiko 6170-328
• Seiko 5246-522
• Seiko 6214-737