Seiko Cal. 6378 - 725

The Seiko 6378-725 represents an important milestone in Seiko's 1986 lineup. With its 22mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-65f13d316eec]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1986

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