Seiko Cal. 6311 - 347

The 6311-347 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6311 caliber with 23j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-6db66f19432e]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1972

Related Models

• Seiko 6130-593
• Seiko 3827-687
• Seiko 7198-248
• Seiko 5661-102
• Seiko 7027-114
• Seiko 6283-559
• Seiko 0766-217
• Seiko 0739-837
• Seiko 6248-820
• Seiko 6120-595
• Seiko 0736-584
• Seiko 6214-853