Seiko Cal. 3890 - 707

This Solar model from 1986 features a 40mm Hardlex-Coated Steel case. With its 20mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-16128a1223f8]

Also known as: Bullhead, Arnie

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1986

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