Seiko Cal. 6378 - 559

The 6378-559 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-b0bc69eb35ac]

Also known as: Helmet, Rally

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1975

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