Seiko Cal. 5688 - 476

This Spring Drive model from 1999 features a 39mm PVD Black case. With its 22mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-239923e13192]

Also known as: Tuna, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1999

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