Seiko Cal. 4489 - 318

This Automatic model from 1974 features a 45mm Titanium case. It features a Silver dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-388a84864c8a]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1974

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