Seiko Cal. 4540 - 985

The Seiko 4540-985 represents an important milestone in Seiko's 1975 lineup. With its 20mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-e93bc5433da9]

Also known as: Bellmatic, Flighty

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1975

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