Seiko Cal. 6364 - 380

This Spring Drive model from 1965 features a 42mm Titanium case. With its 18mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-83e1577e610b]

Also known as: Sumo, Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1965

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