Seiko Cal. 4487 - 690

This Solar model from 1979 features a 45mm Two-Tone case. With its 22mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-d02d26788c5a]

Also known as: Tuna, Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1979

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