Seiko Cal. 4540 - 654

The Seiko 4540-654 represents an important milestone in Seiko's 1966 lineup. With its 21mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-deb244353bd5]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1966

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