Seiko Cal. 6378 - 907

The 6378-907 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-6f197fb190bc]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1970

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