Seiko Cal. 7173 - 666

The 7173-666 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7173 caliber with 20j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-2056ceaff96a]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1967

Related Models

• Seiko 6625-814
• Seiko 6611-625
• Seiko 4591-373
• Seiko 6677-362
• Seiko 0734-786
• Seiko 3850-694
• Seiko 6698-593
• Seiko 5643-406
• Seiko 6275-531
• Seiko 4581-840
• Seiko 5674-269
• Seiko 6187-696