Seiko Cal. 6378 - 738

The Seiko 6378-738 represents an important milestone in Seiko's 1994 lineup. Powered by the 6378 caliber with 29j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-7f49dd5af735]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1994

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