Seiko Cal. 6393 - 851

The 6393-851 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6393 caliber with 21j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-883b3f138bab]

Also known as: Crown, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1968

Related Models

• Seiko 5233-231
• Seiko 7095-816
• Seiko 6696-453
• Seiko 5684-739
• Seiko 3845-106
• Seiko 6316-363
• Seiko 5616-968
• Seiko 7112-955
• Seiko 5633-842
• Seiko 4533-864
• Seiko 5629-205
• Seiko 6227-969