Seiko Cal. 6378 - 303

Released in 1979, the Cal. 6378 with design code 303 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-f25399dc5afa]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1979

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