Seiko Cal. 4515 - 381

This Solar model from 1981 features a 45mm Titanium case. With its 18mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-83d8049b624e]

Also known as: Navigator, Arnie

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1981

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