Seiko Cal. 6678 - 450

The Seiko 6678-450 represents an important milestone in Seiko's 1966 lineup. Powered by the 6678 caliber with 23j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-635aec7e0984]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1966

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