Seiko Cal. 6378 - 163

This Spring Drive model from 1995 features a 44mm Titanium case. Powered by the 6378 caliber with 21j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-ec99384fe0b5]

Also known as: Navigator, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1995

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