Seiko Cal. 6653 - 154

This Spring Drive model from 1969 features a 43mm Titanium case. With its 21mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-c912c78dbb83]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1969

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