Seiko Cal. 6391 - 301

The 6391-301 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6391 caliber with 32j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-930074c665a8]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1982

Related Models

• Seiko 0751-915
• Seiko 4568-121
• Seiko 6292-898
• Seiko 3886-177
• Seiko 4547-428
• Seiko 4464-259
• Seiko 6398-940
• Seiko 7075-312
• Seiko 6115-473
• Seiko 6383-252
• Seiko 4589-937
• Seiko 3840-873