Seiko Cal. 6398 - 875

This Spring Drive model from 1970 features a 43mm Titanium case. With its 19mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-7a08749f23f3]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1970

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