Seiko Cal. 5610 - 728

This Solar model from 1991 features a 42mm PVD Black case. With its 19mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-1478e51797e8]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1991

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