Seiko Cal. 6347 - 659

The Seiko 6347-659 represents an important milestone in Seiko's 1986 lineup. Powered by the 6347 caliber with 36j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-6d669ec0288a]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1986

Related Models

• Seiko 6623-552
• Seiko 6666-218
• Seiko 5636-221
• Seiko 3813-437
• Seiko 7166-179
• Seiko 3867-570
• Seiko 3844-289
• Seiko 7154-726
• Seiko 6218-751
• Seiko 3857-996
• Seiko 5661-874
• Seiko 4460-702