Seiko Cal. 3878 - 309

This Solar model from 1989 features a 42mm Titanium case. With its 22mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-70bc0df92243]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1989

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