Seiko Cal. 6378 - 406

This Automatic model from 1976 features a 46mm Gold-Plated case. It features a Navy dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-4467e6b46924]

Also known as: Navigator, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1976

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