Seiko Cal. 6378 - 850

The Seiko 6378-850 represents an important milestone in Seiko's 1976 lineup. Powered by the 6378 caliber with 30j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-acf9d3248377]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1976

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