Seiko Cal. 5664 - 539

This Automatic model from 1970 features a 42mm Two-Tone case. It features a Silver dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-3b36e2f204cd]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1970

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