Seiko Cal. 4540 - 618

The Seiko 4540-618 represents an important milestone in Seiko's 1965 lineup. It features a Navy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-7845665e8bb2]

Also known as: Rally, Flighty

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1965

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