Seiko Cal. 6369 - 425

This Spring Drive model from 1971 features a 45mm Titanium case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-34fac5bff263]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1971

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