Seiko Cal. 6378 - 976

The Seiko 6378-976 represents an important milestone in Seiko's 1969 lineup. Powered by the 6378 caliber with 30j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-f5fca580ce31]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1969

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