Seiko Cal. 6241 - 640

This Kinetic model from 1977 features a 40mm PVD Black case. It features a Cream dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-edf0e07acabf]

Also known as: Helmet, World Timer

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1977

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