Seiko Cal. 6343 - 378

The Seiko 6343-378 represents an important milestone in Seiko's 1987 lineup. Powered by the 6343 caliber with 29j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-225377f0c0c5]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1987

Related Models

• Seiko 4486-107
• Seiko 4579-942
• Seiko 7074-548
• Seiko 5278-745
• Seiko 6248-255
• Seiko 7031-736
• Seiko 4560-695
• Seiko 7031-141
• Seiko 5282-952
• Seiko 6283-499
• Seiko 7081-171
• Seiko 4419-431