Seiko Cal. 6687 - 430

This Kinetic model from 1970 features a 42mm Hardlex-Coated Steel case. It features a Silver dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-76216ec5a8c5]

Also known as: Helmet, Silverwave

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1970

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