Seiko Cal. 5278 - 240

The Seiko 5278-240 represents an important milestone in Seiko's 1976 lineup. With its 18mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-0e18b30a7ae8]

Also known as: UFO, World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1976

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