Seiko Cal. 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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