Seiko Cal. 5618 - 936

The Seiko 5618-936 represents an important milestone in Seiko's 1986 lineup. It features a Black dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-39747800293f]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1986

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