Seiko Cal. 3851 - 673

This Hand-Winding model from 1981 features a 45mm Titanium case. With its 19mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-f0f8c3ca2814]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1981

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