Seiko Cal. 6646 - 192

The 6646-192 is a sought-after Solar piece from Seiko's golden era. Powered by the 6646 caliber with 33j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-5535babfaca1]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1987

Related Models

• Seiko 6346-591
• Seiko 5255-130
• Seiko 5231-354
• Seiko 6261-404
• Seiko 6383-609
• Seiko 6698-509
• Seiko 4447-702
• Seiko 6199-371
• Seiko 4433-793
• Seiko 7025-976
• Seiko 4463-816
• Seiko 7083-884