Seiko Cal. 6635 - 410

This Kinetic model from 1967 features a 43mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-9c101cb375b6]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1967

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