Seiko Cal. 6278 - 384

This Spring Drive model from 1979 features a 45mm PVD Black case. Powered by the 6278 caliber with 24j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-9ce763228d8a]

Also known as: Samurai, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1979

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