Seiko Cal. 6678 - 381

Seiko 6678-381

The Seiko 6678-381 represents an important milestone in Seiko's 1974 lineup. Powered by the 6678 caliber with 36j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-6056c2288a3e]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
14.2mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
180m
Dial Color
Cream
Jewels
36j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1974

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