Seiko Cal. 6378 - 555

The Seiko 6378-555 represents an important milestone in Seiko's 1993 lineup. Powered by the 6378 caliber with 31j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-1ade52fcd01c]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1993

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