Seiko Cal. 6635 - 153

This Kinetic model from 1975 features a 40mm Titanium case. It features a Navy dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-95f84e5891ee]

Also known as: Helmet, Emperor

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

40mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1975

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