Seiko Cal. 6378 - 241

Released in 1981, the Cal. 6378 with design code 241 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-da67ecdf437b]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1981

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