Seiko Cal. 6378 - 492

The Seiko 6378-492 represents an important milestone in Seiko's 1977 lineup. It features a Green dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-fdebb66aeb0b]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1977

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