Seiko Cal. 6378 - 543

Seiko 6378-543

The 6378-543 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-39e1ba7831c4]

Also known as: Rally

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
42mm
Case Thickness
11.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Black
Jewels
32j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1980

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