Seiko Cal. 6380 - 685

This Quartz model from 1981 features a 39mm PVD Black case. With its 20mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-512aabad4b16]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1981

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