Seiko Cal. 3890 - 878

This Solar model from 1968 features a 40mm Titanium case. With its 18mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-7f2e8329ec70]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1968

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