Seiko Cal. 6343 - 378

Seiko 6343-378

This Automatic model from 1972 features a 39mm Stainless Steel case. Powered by the 6343 caliber with 33j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-80419f7413c3]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
11.7mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
140m
Dial Color
White
Jewels
33j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1972

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seikata-wm-80419f7413c3