Seiko Cal. 6160 - 840

This Spring Drive model from 1967 features a 38mm Titanium case. It features a Green dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-9c7ecd27ae68]

Also known as: Helmet, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1967

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