Seiko Cal. 4486 - 906

This Spring Drive model from 1977 features a 40mm Titanium case. It features a Silver dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-eede1f4884f7]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1977

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