Seiko Cal. 4489 - 760

This Solar model from 1978 features a 37mm PVD Black case. With its 18mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-fecf035c8dd1]

Also known as: Sumo, Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1978

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