Seiko Cal. 6311 - 568

This Spring Drive model from 1978 features a 44mm Hardlex-Coated Steel case. Powered by the 6311 caliber with 18j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-c2d3f062c2c0]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1978

Related Models

• Seiko 3844-407
• Seiko 6358-172
• Seiko 0711-707
• Seiko 4423-343
• Seiko 7023-362
• Seiko 6313-263
• Seiko 7011-331
• Seiko 4439-219
• Seiko 5286-690
• Seiko 6386-878
• Seiko 7032-431
• Seiko 7193-684