Seiko Cal. 4534 - 640

Released in 1987, the Cal. 4534 with design code 640 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-4b75c2b98de1]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1987

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