Seiko Cal. 6378 - 109

The 6378-109 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-0382732a878c]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1979

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