Seiko Cal. 6243 - 621

The Seiko 6243-621 represents an important milestone in Seiko's 1968 lineup. It features a Silver dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-5abbb87a506d]

Also known as: Helmet, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1968

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