Seiko Cal. 6373 - 991

The 6373-991 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6373 caliber with 30j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-ae18ef3cc197]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1990

Related Models

• Seiko 4556-552
• Seiko 4569-883
• Seiko 5616-592
• Seiko 7117-421
• Seiko 6299-821
• Seiko 7128-118
• Seiko 4594-297
• Seiko 6247-893
• Seiko 3862-829
• Seiko 6391-894
• Seiko 6337-288
• Seiko 6153-642