Seiko Cal. 4540 - 541

The Seiko 4540-541 represents an important milestone in Seiko's 1966 lineup. With its 18mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-26716298d874]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1966

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