Seiko Cal. 6391 - 873

The Seiko 6391-873 represents an important milestone in Seiko's 1988 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-e2a55412c4b8]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1988

Related Models

• Seiko 6330-711
• Seiko 4410-168
• Seiko 4581-388
• Seiko 7143-111
• Seiko 5698-493
• Seiko 7121-603
• Seiko 6338-392
• Seiko 5645-753
• Seiko 0795-162
• Seiko 5645-956
• Seiko 4415-289
• Seiko 0779-458