Seiko Cal. 6163 - 173

The 6163-173 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6163 caliber with 31j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-91d8764959f4]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1976

Related Models

• Seiko 6637-653
• Seiko 7128-579
• Seiko 7151-969
• Seiko 0741-669
• Seiko 3833-620
• Seiko 4477-630
• Seiko 4537-996
• Seiko 7124-275
• Seiko 4469-680
• Seiko 6242-807
• Seiko 6349-525
• Seiko 6171-962