Seiko Cal. 6223 - 378

The Seiko 6223-378 represents an important milestone in Seiko's 1970 lineup. Powered by the 6223 caliber with 18j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-579f376d440c]

Also known as: UFO, Sea Horse

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1970

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