Seiko Cal. 3818 - 746

This Spring Drive model from 1989 features a 37mm PVD Black case. With its 20mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-5091997835bc]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1989

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