Seiko Cal. 4489 - 743

The Seiko 4489-743 represents an important milestone in Seiko's 1967 lineup. It features a Silver dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-28de07015f2e]

Also known as: Helmet, World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1967

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