Seiko Cal. 5618 - 660

This Kinetic model from 1977 features a 36mm Titanium case. It features a Black dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-7d18b46dc9f8]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

36mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1977

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