Seiko Cal. 5690 - 420

The 5690-420 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-ed1a920e73c3]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1997

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