Seiko Cal. 4450 - 631

This Automatic model from 1983 features a 35mm Titanium case. It features a Navy dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-e4a77977ed6f]

Also known as: Turtle, World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1983

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