Seiko Cal. 6378 - 642

The Seiko 6378-642 represents an important milestone in Seiko's 1979 lineup. It features a Green dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-ffdec6430baf]

Also known as: Pogue, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1979

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