Seiko Cal. 4498 - 747

This Automatic model from 1971 features a 45mm Two-Tone case. It features a Green dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-54c690635969]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1971

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