Seiko Cal. 6343 - 378

Seiko 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

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