Seiko Cal. 4451 - 730

This Quartz model from 1986 features a 35mm PVD Black case. With its 21mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-d7c148810cc9]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1986

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