Seiko Cal. 3899 - 814

This Spring Drive model from 1965 features a 44mm Titanium case. It features a Navy dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-fe9c896d2b1d]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1965

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