Seiko Cal. 6378 - 652

Released in 1991, the Cal. 6378 with design code 652 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-1c648d1abf48]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1991

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