Seiko Cal. 0718 - 440

The Seiko 0718-440 represents an important milestone in Seiko's 1988 lineup. With its 21mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-ab3fd5234a3a]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1988

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